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myrzilka [38]
3 years ago
15

Which scatter plot shows a linear association? A or B

Mathematics
1 answer:
adelina 88 [10]3 years ago
3 0

Answer:

A

Step-by-step explanation:

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Can someone Evaluate 2(4-1)^2
SIZIF [17.4K]

Answer:

The answer is 36

Step-by-step explanation:

First solve in parenthesis; 4-1=3

Then multiply that by the 2 to get 6

Then raise that value by the square root of 6^2 = 36

5 0
3 years ago
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At a university, 12% of students smoke. Calculate the expected number of smokers in a random sample of 140 students from this un
Masteriza [31]

Answer:

a) The expected number of smokers in a random sample of 140 students from this university is 16.8 smokers.

b) No, it is unlikely that smoking habits and waking up early to go to the gym on Saturday are independent.

Step-by-step explanation:

To calculate the expected numbers of smokers in a sample with size n=140 and proportion p=12%, we use the expected value of the binomial distribution:

E(x)=n\cdot p=140\cdot 0.12=16.8

The expected number of smokers in a random sample of 140 students from this university is 16.8 smokers.

If we take a sample at the opening of the gym, the sample is not expected to be representative of the population of the students. Most of the students that go to the gym usually have healthy habits, so the proportions of smokers is expected to be lower than the average of the university population.

4 0
3 years ago
First answer gets a thanks
Karolina [17]
I would have to say A - Mean; because the data is skewed and there are outliers.

This is because the median of this would not be accurate for the number of kids that read no books and the random three kids that read ten. Mean, however, would find the true median within the plot and utilize and take into account the outliers and how skewed the data is.

Hope this helps!
7 0
3 years ago
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A sanitation company charges $4 per bag for garbage pickup plus a $10 weekly fee. A restaurant has 14 bags of g garbage. What wi
soldi70 [24.7K]

Answer:

<h2>$66</h2>

Step-by-step explanation:

Step one:

given data

charges

$4 per bag

$10 weekly fee

let the number of bag be x

and let the total charges be y

<em>the linear function for the total per week is</em>

<em>y=4x+10</em>

Step two:

the independent variable is the weekly fee of $10

for x=14

y=4(14)+10

y=56+10

y=$66

6 0
3 years ago
Which of the equations below represents a line perpendicular to the yaxis?
lions [1.4K]

Answer:

A. y=-6

Step-by-step explanation:

Using the answer, it would make a horizontal line which would be perpendicular to the y axis.

4 0
3 years ago
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