The probability that at least one person involved in the conspiracy reveals their involvement to the media within 50 years is approximately 0.994.
Consider the following scenario: There are 1000 individuals involved in a conspiracy.
Every person involved in the conspiracy can be trusted 99.9%, which means that there is a 0.01% probability that they will reveal the secrets of the conspiracy to the media within 50 years.
The probability of revealing the conspiracy is the same for everyone involved and remains constant throughout the 50 years.
Additionally, the probability of someone revealing the conspiracy is independent of whether anyone else has already done so or not.
What is the likelihood that at least one person will reveal their involvement to the media within 50 years? We can use the binomial distribution to determine the probability that at least one person in the conspiracy will reveal their involvement in the media in 50 years.
We'll use the following formula for the binomial distribution: P(X ≥ 1) = 1 - P(X = 0) where X is the number of individuals that reveal the secrets of the conspiracy.
In this situation, we know that there are 1000 people in the conspiracy, and the probability that each person will reveal the conspiracy is 0.01%.
We can therefore use the formula for the binomial distribution to solve for the probability of at least one person revealing the conspiracy:
P(X ≥ 1) = 1 - P(X = 0) P(X ≥ 1) = 1 - [tex](0.999)^{1000}[/tex] P(X ≥ 1) ≈ 0.994
Therefore, The probability that at least one person involved in the conspiracy reveals their involvement to the media within 50 years is approximately 0.994.
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Item 7
A flat rate shipping box is in the shape of a rectangular prism. You estimate that the volume of the box is 350 cubic inches. You measure the box and find that it has a length of 10 inches, a width of 9 inches, and a height of 4.5 inches. Find the percent error. Round your answer to the nearest tenth of a percent.
Answer: the answer is 6.06%, however if it is rounded it's 6.0%
Step-by-step explanation:
A wheel of the given radius is rotating at the indicated rate. radius 9 in., 2100 rpm (a) Find the angular speed (in radians per minute). radians per minute (b) Find the linear speed of a point on the circumference (in ft/min). (Round your answer to the nearest whole number.) ft/min
The linear speed of a point on the circumference is approximately 9895 feet per minute.
(a) To find the angular speed in radians per minute, we need to convert the given rotational speed from rpm (revolutions per minute) to radians per minute. Since there are 2π radians in one revolution, we can use the conversion factor:
Angular speed (in radians per minute) = Rotational speed (in rpm) * 2π
Given that the rotational speed is 2100 rpm, we can calculate the angular speed:
Angular speed = 2100 rpm * 2π ≈ 13194 radians per minute
Therefore, the angular speed of the wheel is approximately 13194 radians per minute.
(b) To find the linear speed of a point on the circumference in feet per minute, we can use the formula:
Linear speed = Angular speed * Radius
Given that the radius of the wheel is 9 inches, we need to convert it to feet:
Radius = 9 inches * (1 foot / 12 inches) = 0.75 feet
Now, we can calculate the linear speed:
Linear speed = 13194 radians per minute * 0.75 feet ≈ 9895 feet per minute
Therefore, the linear speed of a point on the circumference is approximately 9895 feet per minute.
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What is the area of a parallelogram that has a base of 4 ½ inc. and a height of 2 ¼ in. ?
Answer:
4.5
Step-by-step explanation:
Liz flips a coin 80 times. The coin lands heads up 32 times and tails up 48 times. Complete each statement. The theoretical probability of the coin landing heads up is 50%. (Type an integer or a decimal.) Based on Liz's results, the experimental probability of the coin landing heads up is
Answer:
40%
Step-by-step explanation:
Answer: 50, 60, Less.
Step-by-step explanation: The theoretical probability of the coin landing heads up is 50%
Based on Liz's results, the experimental probability of the coin landing heads up is 60
The theoretical probability is less than the experimental probability in this experiment.
Hope this helped have a nice day!
The number of bagels sold daily for two bakeries is shown in the table.
Bakery A Bakery B
53 34
52 40
50 36
48 38
53 41
47 44
55 40
51 39
Based on these data, is it better to describe the centers of distribution in terms of the mean or the median? Why? Select the correct answer below. (5 points)
Mean for both bakeries because the data is symmetric
Mean for Bakery B because the data is symmetric; Median for Bakery A because the data is not symmetric
Mean for Bakery A because the data is symmetric; Median for Bakery B because the data is not symmetric
Median for both bakeries because the data is not symmetric
Answer:
“Mean for both bakeries because the data is symmetric.”
Step-by-step explanation:
This is correct because the numbers shown in this problem is all in the same range. Meaning that on bakery A and B there are no stray numbers, also known as outliers. No outliers means that the data is symmetric. If you search up, you can see that when the data is symmetric, you use “mean.”
also I got it right on my test
Answer:
Mean for both bakeries because the data is symmetric.
Step-by-step explanation:
Given the functions f(n)=11 and g(n)=((3)/(4))^(n-1), combine them to create a geometric sequence, a_(n), and solve for the 9 th term.
The given functions f(n) = 11 and g(n) = (3/4)^(n-1) can be combined to create a geometric sequence. The nth term of a geometric sequence is given by a_n = a_1 * r^(n-1), where a_1 is the first term and r is the common ratio.
In a geometric sequence, each term is obtained by multiplying the previous term by a constant ratio. In this case, the first term is given as 11, and the common ratio is (3/4).
The nth term of a geometric sequence is calculated using the formula a_n = a_1 * r^(n-1), where a_1 is the first term, r is the common ratio, and n is the position of the term. By substituting the values into the formula, we can find the 9th term.
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A rectangle with area 36 square inches has a length that is 3 less than 3 times the width. Find the length and the width of the rectangle.
Answer:
length = 9 in ; width = 4 in
Step-by-step explanation:
1) formula of the area of a rectangle
A = base x width
2) write an equation with the given informations:
w x (3w-3) = 36
3) solve the equation
- multiply W by 3w and -3
3w^2 -3w = 36
- divide the two members by 3
w^2 - w = 12
- add up -12 at the two members
w^2-w -12 = 12 -12
w^2 - w - 12 = 0
- find two numbers whose sum is -1 and whose product is -12 and factorise the equation
(w-4)(w+3) = 0
- find the two solutions
w-4 = 0
w = 4
w+3 = 0
w = -3
4)remember that a length can’t be negative.
w = 4 is the only solution
5) find the length
4x3 - 3 = 9
BRAINLY TO WHOEVER HELPS AND GETS IT RIGHT
~no links pls~
Answer: A
Step-by-step explanation:
If a dog can eat 16 treats in 2 hours, how many can it eat in 6 hours?
Answer:
48 treats
Step-by-step explanation:
16 treats / 2 hours = 8 treats / hour
8 treats / hour x 6 hours =
48 treats
Hope that helps! :)
trigonometry question
Answer:
Step-by-step explanation:
x = 87.2ft
Hope that helps :)
i need the prosces plis is for tomorrow
Answer:
p) = 17/30 or 0.56
q) = 191/60 or 3 11/60
a restaurant used 6.5 ounces of cheese to make 5 slices of pizza. if each slice had the same amount of cheese, how much was on each slice?
Answer:
1.3 ounces, 1.3*5 =6.5
Patrick left an $7 tip on a $53 restaurant bill. What percent tip is that?
The percent tip is 13.2%.
To find out what percentage Patrick gave as tip, we need to divide the tip amount by the total bill amount and then convert the result into a percentage.
For this question:
Patrick left an $7 tip on a $53 restaurant bill. What percent tip is that?
Solution:The percentage of tip can be found using the following formula:
% = (Tip amount / Total bill amount) x 100
Plugging in the given values we get:
% = (7 / 53) x 100% = 0.132 x 100% = 13.2 %
Therefore, Patrick gave a 13.2% tip on his restaurant bill.
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Which correctly describes this rotation?
A. a counterclockwise rotation of 30° about point A
B. a counterclockwise rotation of 45° about point A
c. a counterclockwise rotation of 90° about point A
D. a counterclockwise rotation of 180° about point A
Use Cramer's rule to solve the following equation systems A2 JA A VAL 8x1 + 9x2 + 413 = 2 11 +212 + 313 = 3 711 + 6x2 + 5/3 = 1 The solutions are x; = 4,15 = , and ; = What are All, a; and|A3/? 1. |4,1 = -60, x) = -1, and |A3= -60 2. [A1] = -78, 3) = -0.7, and |A3] = 28 3. |A1 = -60, ; = 1, and A3] = 36 4. |A 1 = -78, x = 1.25, and |A3| = 52 2. Given the function y = f(r) = 57- 4r. (a) Find the difference quotient as a function of and Ar. 1. 10.r - 4 2. 5.r? - 4r 3. 5(Ar)? - 4A: 4. 10.r + 5Ar - 4 (b) Find f'(-1) and f'(5). 1. S'(-1) = 9 and f'(5) = 105 2. f'(-1) = -14 and f'(5) = 46 3. $'(-1) = -14 and f'(5) = 105 4. f'(-1) = -19 and f'(5) = 71
1) The solutions to the equation system are x₁ = 11/39 and x₂ = -7/39.
2) The difference quotient as a function of Δr is -4.
3) f'(-1) = -4 and f'(5) = -4.
To solve the equation system using Cramer's rule, we need to find the determinant of the coefficient matrix A and the determinants of the matrices obtained by replacing each column of A with the column on the right-hand side.
The given equation system is:
8x₁ + 9x₂ = 2
11x₁ + 2x₂ = 3
7x₁ + 6x₂ = 1
Step 1: Calculate the determinant of the coefficient matrix A.
A = |8 9|
|11 2|
|7 6|
|A| = (8 * 2) - (9 * 11)
= -78
Step 2: Calculate the determinant of the matrix obtained by replacing the first column of A with the column on the right-hand side.
A₁ = |2 9|
|3 2|
|1 6|
|A₁| = (2 * 2) - (9 * 3)
= -22
Step 3: Calculate the determinant of the matrix obtained by replacing the second column of A with the column on the right-hand side.
A₂ = |8 2|
|11 3|
|7 1|
|A₂| = (8 * 3) - (2 * 11)
= 14
Step 4: Calculate the solutions x₁ and x₂ using Cramer's rule.
x₁ = |A₁| / |A|
= -22 / -78
= 11/39
x₂ = |A₂| / |A|
= 14 / -78
= -7/39
Therefore, the solutions to the equation system are x₁ = 11/39 and x₂ = -7/39.
Now, let's move on to the second part of your question regarding the function f(r) = 57 - 4r.
(a) To find the difference quotient as a function of Δr (Δr represents the change in r):
Difference quotient = (f(r + Δr) - f(r)) / Δr
Expanding and simplifying the expression:
Difference quotient = (57 - 4(r + Δr) - (57 - 4r)) / Δr
= (57 - 4r - 4Δr - 57 + 4r) / Δr
= -4Δr / Δr
= -4
Therefore, the difference quotient as a function of Δr is -4.
(b) To find f'(-1) and f'(5), we need to find the derivative of f(r) with respect to r.
f'(r) = d/dx (57 - 4r)
= -4
Substituting r = -1 and r = 5 into f'(r), we get:
f'(-1) = -4
f'(5) = -4
Therefore, f'(-1) = -4 and f'(5) = -4.
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Use induction to prove that if A1, A2,...,An and B are sets,
then (A1 −B) ∩(A2 −B) ∩...∩(An−B) = (A1 ∩A2 ∩...∩An) −B.
It is proved that if A1, A2,...,An and B are sets, then (A1 −B) ∩(A2 −B) ∩...∩(An−B) = (A1 ∩A2 ∩...∩An) −B.
To prove the given statement using induction, we need to show that it holds true for a base case and then demonstrate that if it holds for an arbitrary value of 'n', it also holds for 'n + 1'.
Base Case (n = 1):
Let's consider the base case where 'n = 1'. We have two sets A1 and B, and we want to prove that (A1 - B) = (A1 - B).
(A1 - B) ∩ (A1 - B) = (A1 - B) [Using the definition of set difference]
This satisfies the given statement for the base case.
Inductive Step
Assuming that the given statement holds for 'n = k', let's prove that it holds for 'n = k + 1'.
We have sets A1, A2, ..., Ak+1, and B. We want to prove that:
(A1 - B) ∩ (A2 - B) ∩ ... ∩ (Ak+1 - B) = (A1 ∩ A2 ∩ ... ∩ Ak+1) - B
Using the inductive hypothesis, we can rewrite the left-hand side (LHS) as:
[(A1 ∩ A2 ∩ ... ∩ Ak) - B] ∩ (Ak+1 - B)
To prove the equality, we need to show that each side is a subset of the other.
1. LHS ⊆ RHS:
Let x be an arbitrary element in LHS. This means that x belongs to each set in the intersection on the LHS: (A1 - B), (A2 - B), ..., (Ak+1 - B). By the definition of set intersection, x also belongs to (A1 - B), (A2 - B), ..., (Ak - B), and (Ak+1 - B).
Since x belongs to each set in the intersection (A1 - B) ∩ (A2 - B) ∩ ... ∩ (Ak+1 - B), it follows that x belongs to (A1 ∩ A2 ∩ ... ∩ Ak) - B. Therefore, x ∈ RHS.
2. RHS ⊆ LHS:
Now let y be an arbitrary element in RHS. This means that y belongs to (A1 ∩ A2 ∩ ... ∩ Ak+1) - B. By the definition of set difference, y belongs to (A1 ∩ A2 ∩ ... ∩ Ak+1) and y does not belong to B.
Since y belongs to (A1 ∩ A2 ∩ ... ∩ Ak+1), it implies that y belongs to each set A1, A2, ..., Ak+1. By the definition of set difference, y does not belong to B, so y also belongs to each set (A1 - B), (A2 - B), ..., (Ak+1 - B).
Therefore, y ∈ LHS.
Since we have shown that LHS ⊆ RHS and RHS ⊆ LHS, it follows that (A1 - B) ∩ (A2 - B) ∩ ... ∩ (Ak+1 - B) = (A1 ∩ A2 ∩ ... ∩ Ak+1) - B.
By the principle of mathematical induction, the statement holds for all 'n', completing the proof.
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pleaseeeeeeeeeeee heeellllpppppppp i’ll mark u
Answer:
Add up all of the numbers, and divide by the number of digits. To put it another way, the total is divided by the count.
Step-by-step explanation:
so ... 2,4,4,2
2+4+4+2= 12
12 divided by 4=3
i think 3 is the mean....
hope this helps.....
Michael's dog stands 10 feet from a table, and notices a plate resting on the edge of the table. The height from the ground to the top of the table is 4 feet, and his dog's eyes are 1 foot above the ground. What is the angle of elevation from Michael's dog to the plate? Round your answer to the nearest whole degree.
Answer:
The angle of elevation is 17°.
Step-by-step explanation:
Let's draw the scenario to better understand the problem:
Focusing on the right triangle formed, it appears that we get measures of the two sides of the right triangles.
Opposite Side = 3 Ft.
Adjacent Side = 10 Ft.
To find the angle of elevation, we will be using the Targent Function:
[tex]targent \: 0 = \frac{opposite \: side}{adjacent \: side} \\ targent \: 0 = \frac{3}{10} \\ 0 = {targent}^{ - 1} ( \frac{3}{10} ) \\ 0 = 16.69924423399 = 17[/tex]
Therefore, the angle of elevation is 17°.
Yasmin ordered 20 sandwiches for the STEM club's after school meeting. Some were turkey and some were ham sandwiches. Turkey sandwiches cost $5.50 and ham costs $4.50. The total bill was $97. How many turkey sandwiches were ordered?
7 TURKEY AND 13 HAM
I USED CALCULATOR BTW
A helicopter hovers 1150 feet above a small island. The figure shows that the angle of depression from the helicopter to point P is 39° How far off the coast to the nearest foot is island?
The table shows the scores of students recent test. Find the mean of the scores and round to the nearest hundredth
Answer:
Answer and work is in the pdf
Step-by-step explanation:
75+75+80+80+80+80+80+80+85+85+90+90+90+90+90+90+95+95+95+100+100+100+100+100+100
=2,425
2+6+2+6+3+8
=27
2,425/27=89.81
The mean is 89.81
i need help please thanks
Answer:
33
Step-by-step explanation:
6 * 3 = 18
8-3 = h
h = 5
A = 5 * 3 = 15
Combined:
15 + 18
33
Similar Polygons
DEFG is similar to HJKL. What is the length of LK?
A) 5
B)21
C) 80/3
D) 60
Answer:
I think it's 21. .........
Observa el siguiente polígono y responde la pregunta.
¿Cuál es el perímetro del polígono?
A.
13mn3+4m2+3mn2+2mn
B.
53mn3+4m2+2mn2+2mn
C.
13mn3+3m2+4mn2+3mn
D.
53mn3+3m2+2mn2+3mn
The correct option regarding the perimeter of the polygon in this problem is given as follows:
5/3mn³ + 3mn² + 3m².
What is the perimeter of a polygon?The perimeter of a polygon is given by the sum of all the lengths of the outer edges of the figure, that is, we must find the length of all the edges of the polygon, and then add these lengths to obtain the perimeter.
Hence the expression for the perimeter is given as follows:
1/3mn³ + mn² + m² + 2mn³ + 2mn² + 3m².
Combining the like terms, the perimeter is given as follows:
5/3mn³ + 3mn² + 3m².
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Given the points A(-2, 0), B(6, 16), C(1, 4), D(5, 4), E(2,2)2
,2
)), and F(32,−4232
,−42
), find the position vector equal to the following vectors.
AB⃗
AB
This indicates that vector 2AB has a length of 165.
Given the points A(-2, 0), B(6, 16), C(1, 4), D(5, 4), and E, let's determine the length of the vector 2AB. To begin, we must determine the distance that separates points A and B. The distance formula is as follows: Equation for distance: We can calculate d as [(x2 - x1)2 + (y2 - y1)2] using the distance formula: Spot = [(6 - (- 2))2 + (16 - 0)2] = [(6 + 2)2 + (16)2] = [(8)2 + (16)2] = [(64 + 256) = 320 = 8] Now, we can deduct the directions of point A from guide B toward decide the vector Stomach muscle:
To find 2AB, simply multiply each part of AB by 2: AB = (6 - (-2)i + (16 - 0)j = 8i + 16j 2AB = 2(8i + 16j) = 16i + 32j. Last but not least, we must ascertain the magnitude of 2AB. The extent recipe is as per the following: Size formula: Using the magnitude formula, we get: ||v|| = (v12 + v22). ||2AB|| = (162 + 322) = (256 + 1024) = (1280 + 165). This indicates that vector 2AB has a length of 165.
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Seth is using a large shoe box to store his baseball cards. The length of the box is 12 inches, and the height is 6 inches. If the volume of Seth's box is 288 cubic inches, how wide is the box?
Step-by-step explanation: *First, decide which volume formula to use: v = lwh
*Next, substitute in for what you do know (leave variable for unknown): 288 = 12 · w · 6
*Then simplify the side of the equation with the variable: 288 = 72 · w
*Now divide each side of the equation by 72 to solve for w:
288 ÷ 72 = w
4 in = w
A sofa is 7 feet 5 inches long. How many inches is the sofa?
89 inches!
Because each foot is 12 inches and 12*7=84 and 84+5=89!
PLEASE HELP!! I'll make brainliest
Assuming an individual has X hours per week during the summer to devote to taking classes or working for an employer. Also, assume that to receive at least a B or better, you must devote at least X hours per course per week (1 course = X hours per week, 2 courses = X hours per week, etc...) Explain why one faces a tradeoff between the number of courses and hours of work. Why would it be impossible to take X courses while working X hours per week? Why would taking one class and working X hours per week would result in large amount of free time?
One faces a tradeoff between the number of courses and hours of work due to limited available time. Taking X courses while working X hours per week is impossible as it exceeds the time constraint.
The tradeoff between the number of courses and hours of work arises due to the finite number of hours available in a week. Assuming an individual has X hours per week, this time must be divided between courses and work.
To achieve a B or better in a course, it is necessary to dedicate at least X hours per course per week. Therefore, taking X courses while working X hours per week would require dedicating X hours per course, resulting in a total time commitment exceeding the available X hours.
Conversely, if only one class is taken while working X hours per week, the time commitment for a single course is less than X hours. This scenario leaves a significant amount of free time remaining, as the total time dedicated to the course and work does not exhaust the available X hours.
In summary, the tradeoff occurs because the time available is limited, and the minimum time requirement per course restricts the number of courses that can be taken while maintaining a specific work schedule.
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Reagan rides on a playground roundabout with a radius of2.5 feet. To the nearest foot, how far does Reagan travel over an angle of 4π/3 radians?
Answer:
10 feets
Step-by-step explanation:
Given that:
Angle, θ = 4π/3
Radius, r = 2.5 feets
To obtain how Far Reagan traveled, we calculate the Length of the arc, s
s = r*θ
s = 2.5 feets * 4π/3
s = 10π/3
s = 10.4719
To the nearest foot ; distance traveled by Reagan is 10 feets