Answer:
P(at least 4) = 0.74431
Step-by-step explanation:
Here
Probability of the flights on time is = 70% = 70/100= 0.7
q= 0.3
n= 6
As the probability of success and failure is constant and the n is also fixed then the binomail probability distribution can be used to solve this.
P (x= 4) = 6c4 *(0.7)^4 (0.3)^2= 15*0.2401* 0.09= 0.324135
P (x= 5) = 6c5 *(0.7)^5(0.3)^1= 6*0.16807* 0.3=0.302526
P (x= 6) = 6c6 *(0.7)^6 (0.3)^0= 0.117649P
P (x= 0) = 6c0 *(0.7)^0 (0.3)^6= 0.000729
P (x= 1) = 6c1 *(0.7)^1 (0.3)^5=0.010206
P (x= 2) = 6c 2*(0.7)^2 (0.3)^4=0.059535
P (x= 3) = 6c3 *(0.7)^3 (0.3)^3=0.18522
Probability of at least 4 means that probability of greater than 4 inclusive of 4.
This can be obtained in two ways.
First is by subtracting the probabilities of less than 4.
Second is by adding probabilities greater than 4 including 4.
We get the same answer with any of the two methods used.
P(at least 4) = 1- P(x<4)
= 1- [ 0.000729+ 0.010206 +0.059535+ 0.18522]
= 1- 0.25569
= 0.74431
P (at least 4) = P(x=4) +P(X=5) + P(x=6)
=0.324135+ 0.302526+ 0.117649
=0.74431
There are four types of flowers in Mrs. Elliott’s garden, 1/2 of the flowers are red, 1/4 of them are purple. Of the remaining flowers, ⅔ are pink, there are 4 yellow flowers. How many flowers are there in Mrs. Elliott's garden?
Answer:
48 flowers.
Step-by-step explanation:
You know that there are red, purple, pink, and yellow flowers in the garden. Since you know that 1/2 are red and 1/4 are purple, the pink and yellow flowers (combined) must make up the remaining 1/4 of the garden.
You're told in the problem that of this remaining 1/4, 2/3 are pink. That must mean 1/3 are yellow. There are twice as many pink flowers as yellow flowers.
The problem also says there are 4 yellow flowers. This means that 1/3 (of the remaining 1/4) is equal to 4.
To figure out how many pink flowers there are, you can multiple 4 x 2. There must be 8 pink flowers.
To find the total number of pink and yellow flowers, add 8 + 4. There are 12 pink and yellow flowers.
Remember that the pink and yellow flowers must make up the remaining 1/4 of the garden. If 12 flowers is equal to 1/4 of the garden, then you can multiply by 12 x 4 to figure how many flowers are in the entire garden: 48 flowers.
What is the area of a circle with a radius of 5 inches?
Use 3.14 for a
Enter your answer as a decimal in the box.
in?
Answer:
78.54in²
Step-by-step explanation:
i used the formula
Can someone help me please? How do I solve this?
Answer:
i suggest look up a number chart similar to that and place the (4,4) on it
Step-by-step explanation:
im sorry if i couldnt help
Answer:
m is the slope, so it has a slope of 1. it gave you a point so it wants you to plug the point and slope into point-slope form and then solve for the equation to be in slope-intercept form so you can graph it.
point-slope form is: y -y1 = m(x -x1)
plug in the given values and solve
y - 4 = 1(x -4) (use the distributive property to get rid of the parenthesis)
y -4 = 1x - 4 (add 4 to both sides to isolate y)
y = 1x (1x is the same as x, so it's redundant to write 1x)
y= x (this is the equation of the line)
if you don't know how to graph y=x, whatever the y value is, the y value is. it's a straight line going through the origin.
Step-by-step explanation:
i hope this helped :)
“Which of the following is most likely caused by chemical weathering” A.cirques carved out by a melting glacier
B. U-shaped valleys formed in a mountain region
C. Rocks and sediment transported and deposited
D.unrecognizable facial features on a marble statue
Answer:
D. Unrecognizable facial features on a marble statue
Step-by-step explanation:
The first 3 answer choices are all examples of physical weathering, not chemical weathering.
This is because the changes were caused by natural things such as flowing water and heating.
However, unrecognizable facial features on a marble statue would be caused by chemical weathering, where chemicals can erode marble and cause distortion in a statue.
So, D is the correct answer.
Can somebody help me with this one thank you.
You live in a big apartment. The bedroom is 15 by 20 feet. Calculate the area of your bedroom.
a.
100 sq. ft
c.
180 sq. ft
b.
300 sq. ft
d.
70 sq. ft
Answer:
The answer is B 300 sq. ft.
Step-by-step explanation:
If you multiply 15 by 2 you were to get 30 but since it is 15 multiplied by 20 instead its like adding a 0 at the end of the number so we change 30 to 300.
Hope this helps :)
1. (1.-2).(-2, 0).(-1,2). (1.3)
Function:
Domain:
Range:
giving branliest, 7th grade math
Answer:
1/3
Step-by-step explanation:
Total number of outcomes = 3
Possible outcomes = 1
probability = possible outcomes/ total number of outcomes = 1/3
HOPE THIS HELPS YOU
Answer:
1/3
............................
the robots are powered on coffee alone. they use two bags of coffee each day.how long will 1/4 bag last?
Answer:
One robot will be powered for an eighth of a day (1/8 of a day) by one quarter (1/4) of a bag of coffee.
helppppp kkkasnnansnejsjs
Answer: “6b”
Step-by-step explanation:
a six sided cube is rolled. find the probability of P (4) as a decimal
Answer:
.66
Step-by-step explanation:
Write a multiplication sentence to find of the rectangle by moving numbers to the line
Answer:
caca
Step-by-step explanation:
Jori is 2 years older than Sage but 4 years younger than Victoria. Sage is 3 years less than a score. How old is sage? please show an explanation.
Answer:
Comparing the age of two people both ... solve our problem we will fill out a three by three table for each problem. ... To show Adam is 20 years younger we subtract 20, Adam isx −20. Age Now. +2 ... 3. Pat is 20 years older than his son James. In two years Pat will be twice as old.
Answer:
Sage is 17 years young.
Step-by-step explanation:
A score is referring to 20 of something.
It says Sage is 3 years younger than a score.
20-3=17
I hope this is what the question means, otherwise, I'm clueless.
A person on a moving sidewalk travels 12 feet in 4 seconds. The moving sidewalk has a length of 120 feet. How long will it take to move from one end to the other?
Answer:
40 seconds
Step-by-step explanation:
120/12 = 10
10*4 = 40
THEREFORE 40 seconds to walk 120 feet at that speed
The weights of several adult guinea pigs in a pet store are: 33, 39, 42, 33 39, 31, 32 and 37 ounces. Find the mean absolute deviation. Describe what the mean absolute deviation tells you about the data.
Answer:
35.75 I added them all up and divided by the amount of numbers there is
Can zeros be written at the end of a decimal without changing the number that it represents?
Answer: yes, zeroes are simply just a place holder to make the number easier to read
Step-by-step explanation:
please help asap!!!!!
Answer:
angle RQS
Step-by-step explanation:
1.
(04.01 LC) WILL GIVE BRAINLIEST
Which of the sets of ordered pairs represents a function? (5 points)
A = {(1, −5), (8, −5), (8, 7), (2, 9)}
B = {(7, −4), (7, −2), (6, −3), (−9, 5)}
Only A
Only B
Both A and B
Neither A nor B
Answer:
Neither
Step-by-step explanation:
I just took the quiz.
Grace rode her bike 5 miles in 20 minutes. At this rate, how many miles can she ride her bike in 30 minutes? Plz help :)
Answer:
maybe like 7.5 miles
Step-by-step explanation:
if she rode 5 miles in 20 minutes than she rides for 30 more minutes than in 20 minutes of the 30 she rode 5 miles and my prediction is she will ride about 2.5 miles in 10 minutes
Find the missing angle.
65°
60°
X=
Answer:
125
Step-by-step explanation:
sum of 60 and 65 will give you x
Answer:
125
Step-by-step explanation:
65+60=125
Please help me solve this !:)
Explain your answer
I will give braisnlt .
Answer:
A a rotation 180 degrees about the origin seems right
Answer:
B
Step-by-step explanation: Too easy to explain
Look at this please i dont need help im just trying to tell everybody something
Answer:
ok
Step-by-step explanation:
anyone know the answer to this? :))))
Hello!
[tex]\large\boxed{x = 17}[/tex]
[tex]\sqrt{x -1} + 5 = 9[/tex]
Begin by subtracting 5 from both sides:
[tex]\sqrt{x -1} = 9 - 5\\\\\sqrt{x -1} = 4[/tex]
Square both sides to get rid of the radical:
[tex]x - 1 = 16[/tex]
Add 1 to both sides to completely isolate for x:
[tex]x = 17[/tex]
write an expression that can be usedto find the nth termo of each sequence 9, 17, 25, 33
Answer:
The expression used to find the nth term of each sequence 9, 17, 25, 33 will be:
[tex]a_n=8n+1[/tex]Step-by-step explanation:
Given the sequence
9, 17, 25, 33
a₁ = 9
Determining the common difference
d = 17-9 = 8
d = 25-17 = 8
d = 33-25 = 8
As the common difference between the adjacent terms is same and equal to
d = 8
Therefore, the given sequence is an Arithmetic sequence.
An arithmetic sequence has a constant difference 'd' and is defined by
[tex]a_n=a_1+\left(n-1\right)d[/tex]
substituting a₁ = 9, d = 8 in the equation
[tex]\:a_n=9+8n-8[/tex]
[tex]a_n=8n+1[/tex]
Therefore, the expression used to find the nth term of each sequence 9, 17, 25, 33 will be:
[tex]a_n=8n+1[/tex]please help! please show work
Answer:
-8x ≤ 2divide both sides by -8 (if you dividing inequalities with negative values.. you have to flip the sign when writing the answer ) x ≥ -0.25your answer is (D)In Mr. Romano‘s class, 40% of the students like baseball. If 14 of his students
like baseball, how many students are in Mr.Romano’s Class?
Answer:
35
Step-by-step explanation:
The number of students in Mr.Romano’s class is 35.
Given that, in Mr. Romano‘s class, 40% of the students like baseball.
What is an equation?In mathematics, an equation is a formula that expresses the equality of two expressions, by connecting them with the equals sign =.
Let the number of students in Mr.Romano’s class be x.
Here, 40% of x = 14
⇒ 40/100 × x = 14
⇒ 0.4x = 14
⇒ x = 14/0.4
⇒ x = 35
Therefore, the number of students in Mr.Romano’s class is 35.
To learn more about an equation visit:
https://brainly.com/question/14686792.
#SPJ2
HELP ASAP PLEASE :))))))
For what value of p is the expression (x - p)2 + 5 equivalent to the expression x2 – 14x + 54?
A. -49
B. -7
C. 7
D. 49
Answer:
p=−12x2+8x+−492
is what I got
The value of p must be 7 for the expression (x - p)2 + 5 equivalent to the expression x2 – 14x + 54.
What are equivalent expressions?Those expressions who might look different but their simplified forms are same expressions are called equivalent expressions.
To derive equivalent expressions of some expression, we can either make it look more complex or simple. Usually, we simplify it.
It is given that the expression (x - p)2 + 5 equivalent to the expression x2 – 14x + 54
That is (x - p)^2 + 5 = x^2 – 14x + 54
Solving for p;
x^2 + p^2 + 5 - 2px = x^2 – 14x + 54
Combine the like terms;
p^2 + 5 - 2px =– 14x + 54
p^2 - 2px + 14x - 49 = 0
If we put p = 7 then
49 - 14x + 14x - 49 = 0
Therefore, the value of p must be 7 for the expression (x - p)2 + 5 equivalent to the expression x2 – 14x + 54.
Learn more about expression here;
https://brainly.com/question/14083225
#SPJ6
Find the present value of the given future payment at the specified interest rate.
6000$ due in 2 years at
6.5% compounded daily
Answer:
6.5% of 6000$=6000$x6.5/100=390$
amount of interest = 390$x2=780$
Compound Interest
n=1, 2
Po=6000$
Pn=Po(1+r)^n
Pn=6000$1+6.5%)^n
Pn=6000$(1.065)^n
P1=6000$(1.065)^1=6390$
P2=6000$(1.065)^2=6805.35
Pls I need help with 2 I’m begging I been stuck on it for a while pls have a good day pls I need help
Answer:
F
Step-by-step explanation:
You add 4.5 pages for every 1 minute, this is constant.
Cady has $3000 to deposit in the bank which offers 4% interest. How long does she need to leave the money in the bank in order to earn $600 in interest?
Answer:
Cady will have to leave the money in the bank for 5 years.
Step-by-step explanation:
Given that Cady has invested $ 3000 in an account with an interest rate of 4%, to know how much time must be invested to obtain $ 600 in interest, the following calculation must be performed:
3000 x 1.04 = 3.120
Thus, each year the investment will yield interest for $ 120. Therefore, since 600/120 is equal to 5, Cady will have to leave the money in the bank for 5 years.