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Author Question: A student obtains a sample of college students by interviewing her friends. A) Yes B) ... (Read 111 times)

Bernana

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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

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Answer to Question 1

B

Answer to Question 2

D





 

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