[Answered] A student obtains a sample of college students by interviewing her friends. A) Yes B) ...

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Bernana

Hero Member
Posts: 530

on: Aug 2, 2018

A student obtains a sample of college students by interviewing her friends.

A) Yes B) No

Question 2

Scores on the final exam in Math 160 have a mean of 73 and standard deviation of 7.8.If 24 students are randomly selected, find the probability that the mean of their test scores is less than 70.

A) 0.1006 B) 0.9699 C) 0.0278 D) 0.0301

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Yixagurpuldink

Sr. Member
Posts: 341

Reply #1 on: Aug 2, 2018

Answer to Question 1

B

Answer to Question 2

D

Bernana

Hero Member
Posts: 530

Reply #2 on: Aug 2, 2018

Thanks

Yixagurpuldink

Sr. Member
Posts: 341

Reply #3 on: Aug 2, 2018

Welcome

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