Part A: 5 out 25 lobsters have dangerous levels of mercury
Part B: the 95% confidence interval is given by (4.45, 5.65)
since everything is given all I had to do is find the critical value which can be found from the resource packet = 2.064
Using the formula we find 5.05+-2.064*1.45/5 = ( 4.45,5.65)
For this case, we have 95% of confidence that the true mean for the average number of lobsters with dangerous levels of mercury is between 4.45,5.65
Sean wants to buy a DVD that sells for $12. An advertisement says that next week that DVD will be on sale for $9. How much money will Gavin save if he waits until next week to buy the DVD
Answer:
98
Step-by-step explanation:
Answer:
$3
Step-by-step explanation:
Please someone help I’ll mark brainlesss !!! Please help me
Answer:
left top: 37
right top: 8
left bottom: 14
right bottom: 6
Step-by-step explanation:
i need a brainliest and i hope this helps!
Quadrilateral ABCD with AB = 5.5cm, BC = 3.5cm, CD = 4cm, AD = 5cm, and <A = 45°.
Step-by-step explanation:
hope it helps
mark me brainliest
pls answer this for me i would really appreciate it! i have a few minutes
You owe $748.11 in taxes, and you have paid $692.40. Which statement best describes your refund/taxes due?
A): You owe an additional $55.71.
B): You will receive a refund of $55.71.
C): You owe an additional $155.71.
D): You will receive a refund of $155.71.
Answer:
A.
Step-by-step explanation:
748.11 - 692.40 = 55.71
so you will still owe 55.71
Answer: A). You owe an additional $55.71.
Hope this helps :)
want to study procrastination and social anxiety levels in undergraduate students at your university.You send a group email to all students to sign up to be contacted about participating in research.Only 2000 students signed up to be contacted about participating in the research. You choose asample of 100 students using a simple random sample from the students who signed up. You assigna number to every student in the research participant database from 1 to 2000 and use an SRSmethod to select 100 numbers.Is this sample biased
Answer:
Yes. There is a bias in the selected sample.
Step-by-step explanation:
Population of interest = undergraduate students at the university
Respondents to email requests = 2,000 students
Sample size = 100 students
Sample is based on the 2,000 respondents.
Therefore, sample is biased.
b) A sampling method is said to be biased if it systematically favors a group. By making some members of the student population systematically more likely to be selected in a sample than others, there is an occurrence of sampling bias. Usually, findings from biased samples can only be generalized to populations that share characteristics with the sample and to the entire population of interest.
Plz guys help me I need help
Answer:
A. f(-1) = -3, f(7) = 13
Step-by-step explanation:
✔️When input (n) = -1:
f(n) = 2n - 1
f(-1) = 2(-1) - 1
f(-1) = -2 - 1 = -3
✔️When input (n) = 7:
f(n) = 2n - 1
f(7) = 2(7) - 1
f(-1) = 14 - 1 = 13
PLEASE HELP! i have by the end of the day to turn this in. PLEASE DONT GUESS :)
Answer:
x = 101°
Step-by-step explanation:
180-147 = 32
180-47-33 = 101
also this is not college math what
What are formulas in maths?
Areas. Square. `A=l^2` ...
Volumes. Cube. `V=s^3` ...
Functions and Equations. Directly Proportional. `y = kx` `k = y/x` ...
Exponents. Product. `a^mxxa^n=a^(m+n)` ...
Radicals. Multiplication. `root(n)(x)xxroot(n)(y)=root(n)(x xx y)` ...
Trigonometry. Trigonometry Ratios. ...
Geometry. Euler's Polyhedral Formula. ...
Vectors. Notation
Determine the solution to the system of equations graphed below and explain your reasoning in complete sentences.
Answer:
The solution to the system of equations is (0, -3) because that is where the two graphs intersect. It is the only solution since the equations intersect at that point only.
Step-by-step explanation:
We have the two equations:
[tex]f(x)=|x+1|-4\text{ and } g(x)=-2x-3[/tex]
Remember that graphically, the solution(s) of a system of equations is always where the graphs intersect.
We can see that the two graphs intersect at (0, -3).
So, g(0) = -3 and f(0) = -3 also.
And that is the only point of intersection. So the only solution to our system here is (0, -3).
To thank her five volunteers mai gave each of them the same number of stickers then she gave them each two more stickers altogether she gave them a total of 30 stickers
Answer: 4
Step-by-step explanation:
I got it right when i did my math
The equation which represents the given situation is 5(y + 2) = 30 and the value of y = 4.
What is an Equation?An equation is the statement of two expressions located on two sides connected with an equal to sign. The two sides of an equation is usually called as left hand side and right hand side.
Given that,
Total number of volunteers = 5
Mai gave each of them the same number of stickers.
Let y be the number of stickers she gave to each of them.
Then she gave 2 more stickers to each of them.
Then number of stickers each has = y + 2
Total number of stickers = 30
5(y + 2) = 30
5y + 10 = 30
5y = 20
y = 4
Hence the number of stickers each one has is 4.
Learn more about Equations here :
https://brainly.com/question/29657983
#SPJ2
HOw far away can a person live from a radio station and hear its broadcast if the signal covers a circular area of 40000 square miles?
Answer:
The radio station is at the center of a circle with an area of 40,000 square miles. The furthest point that you could hear the broadcast would be on the outer edge of the circle or at the end of the radius of the circle. The formula for the area of a circle is:
Area = π[tex]r^{2}[/tex]
So we take what we know and work the formula in reverse.
40,000 = πr²
40,000 / π = r²
12,732.4 = r²
√12,732.4 = √r²
112.84 = r
The radius of a circle with an area of 40,000 square miles is 112.84 miles. This is the furthest point that you would be able to hear the broad cast.
Step-by-step explanation:
-4x-y=24 complete the missing value in the solution to the equation
Answer:
point
Step-by-step explanation:
Determine whether the following is an example of a sampling error or a non sampling error. A psychiatrist surveyed 8000 people to see the proportion who had seen a psychiatrist at least once in their lives. Unfortunately, there was confusion amongst the respondents about the difference between a psychologist and a psychiatrist and the recorded proportion was higher than it should have been due to this confusion.
Answer:
The correct answer is - Non sampling error
Step-by-step explanation:
Sampling errors arises when a sample does not represent the whole population.
It is difference between the real values of the population and the values derived by using samples from the population.
A non-sampling error refers to an error that occurs during data collection, causing the data to differ from the true values.
Non sampling error are of two types , response error and non response error.
In the given question , the error is a response error.
So , it is an example of Non-Sampling error.
A singles tennis court measures (8x – 2) ft long and (3x – 3) ft wide.Which expression represents the area of the court?
Answer:
The expression that represents the area of the court is: [tex]24x^2 - 30x + 6[/tex]
Step-by-step explanation:
Area of a rectangle:
A rectangle has length l and width w. The area of a rectangle is:
[tex]A = lw[/tex]
A singles tennis court measures (8x – 2) ft long and (3x – 3) ft wide.
This means that [tex]l = 8x - 2, w = 3x - 3[/tex]
Which expression represents the area of the court?
The tennis court is rectangular, so
[tex]A = lw = (8x - 2)(3x - 3) = 24x^2 - 24x - 6x + 6 = 24x^2 - 30x + 6[/tex]
The expression that represents the area of the court is: [tex]24x^2 - 30x + 6[/tex]
Raul has 6 shoeboxes on his bookshelf. If he has 9 toy robots in each shoebox, how
many toy robots does Raul have?
A. 63
B. 54
C. 36
D. 15
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Can someone please help me Im so stressed out .
Answer:
38 students chose to fly
Step-by-step explanation:
add the female and male
Witch describes the slope of this line?
undefined
zero slope
negative slope
positive slope
Answer:
Undefined
Step-by-step explanation:
Help plz:)))I’ll mark u Brainliest
9514 1404 393
Answer:
5
Step-by-step explanation:
The bottom left segment has length ...
84 -49 = 35
So, we can write the proportion relating the whole to that segment.
84/35 = 24x/50
Multiplying by 50/24, we get ...
x = (50/24)(84/35)
x = 5
Write an expression that has 5 terms and that is equivalent to 5x+y
The expression should be written when there is 5 terms and that is equivalent to 5x+y should be likely 5x + y - 2 + 3 - 1.
Calculation of an expression;Since we have to determine the 5 terms
And, it should be equivalent to 5x + y
So here the equation be like
= 5x + y - 2 + 3 - 1
hence, The expression should be written when there is 5 terms and that is equivalent to 5x+y should be likely 5x + y - 2 + 3 - 1.
Learn more about an expression here: https://brainly.com/question/24595897
Pants at clothes 4 us are 20% off. with this dicount, the pants cost $25.60. what was the original price of the pants?
Answer:
The answer is $30.72
Step-by-step explanation:
25.60 + 20% = 30.72
You have to divide 25.60 / 20% and that would be 5.12 so to the original answer 25.60 you add 5.12.
Final Answer
30.72
I try to find it but I could PLEASE help I’ll say the answer when I’m done
Answer: false
Step-by-step explanation:
algebra is hard
6-9y > 30-5y
Answer:
y=6
Step-by-step explanation:
6-9y>30-5y,-9y+5y>30-6, -4y>24,-4y/-4so -will concel -and 4 will cancel 4>24/4=y=6
Which of these is the smallest number: A.0.452
B. 45%
C. 0.045
Answer:
C. 0.045
Step-by-step explanation:
What is the radius?
Diameter =36ft
Answer:
18ft
Step-by-step explanation:
Diameter is double the radius.
36/2=18
Answer:
r = 18 ft
Step-by-step explanation:
The radius is 1/2 of the diameter
r = 1/2 d
r =1/2 ( 36 ft)
r = 18 ft
There are 23 animals in the barn. Some are chickens some are goats. There are 80 legs in all. How many of each animal is there?
There are 17 goats and 6 chickens
Explaining: (1) C + G = 23
As for legs:
(2) 2C + 4G = 80 (each C has 2 legs and each G has 4 legs)
Solving equation (1): C = 23 - G
Substituting in equation (2)
2(23 - G) + 4G = 80
2G = 34
G = 17
C = 6
Drag each statement to show whether it is true, based on the graph.\
Answer:
noice
Step-by-step explanation:
Find the unit rate and determine which rate is greater: 500 miles in 10 hours or 125 miles in 2 hours.
Answer:
30 miles in 2.5 hours= 12 mph
Step-by-step explanation:
This is a fraction equal to
30 miles ÷ 2.5 hours
We want a unit rate where
1 is in the denominator,
so we divide top and bottom by 2.5
30 miles ÷ 2.5
2.5 hours ÷ 2.5
=
12 miles
1 hour
=
12 miles
hour
= 12 miles per hour
87 7/40 as a decimal
Answer:
87.175 :)
Step-by-step explanation:
Heres what i think of this gen z: Gay supporters girls who want boys to wear nail polish and when they say no the girls say girls will never like you and your so insecure when there just peewee 10 year olds and 16 year olds like imagine if they burned in flames forever that would be great they deserve cause people kill themsleves cause of them they are nothing but useless you think supporting something people hate is gonna change but it never will by your own desire you will see your won fate wither you want be with your family or not even if there dead and gone you may think why do people worship god but atleast there good people go do something useful in your life before its gone
Answer:
PrEaCh
Step-by-step explanation:
Answer:
so true
Step-by-step explanation: