Relative Frequencies and Association

Question 1

Complete the statements using the table.

Revolt · Accepted Answer

The number of children who disliked the smoothie is .: 9; The total number of children is .: 27; The conditional relative frequency that a customer disliked the new smoothie, given that the person is a child is approximately .: 33%

Question 2

Complete the statements using the table.

Revolt · Accepted Answer

✔ 9; The number of children who disliked the smoothie is .: 9; The total number of children is .: 27; The conditional relative frequency that a customer disliked the new smoothie, given that the person is a child is approximately .: 33%

Question 3

X 15✔ 272956

Revolt · Accepted Answer

✔ 27

Question 4

✔ 33%48%60%X 66%

Revolt · Accepted Answer

✔ 33%

Question 5

What is the probability of someone preferring phone calls, given the person is a female?

Revolt · Accepted Answer

54%

Question 6

Which statements are true? Check all that apply.

Revolt · Accepted Answer

The conditional relative frequency that someone is in high school, given that the person prefers to study without music, is about 0.56.; If someone prefers to study with music, the probability the person is in HS is about 44%.

Question 7

What conclusion can you draw about the conditional relative frequency of the results?

Revolt · Accepted Answer

A resident in the group who supports the tax is likely to be male.

Question 8

Which conclusions can be drawn from the results of the survey? Check all that apply.

Revolt · Accepted Answer

There is no association between using social media and grade level.; The probability a student uses social media, given that he or she is in 9th grade, is 81%.; An 8th grader is more likely to use social media than not.; Knowing a student’s grade level does not help determine if he or she uses social media.

Relative Frequencies and Association Answers

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