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Author Question: What is the probability that 4 randomly selected people all have different birthdays? A) 0.9729 ... (Read 47 times)

Yolanda

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What is the probability that 4 randomly selected people all have different birthdays?
 
  A) 0.9729 B) 0.9918 C) 0.9891 D) 0.9890

Question 2

The heights (in inches) of the four members of Laura's gymnastics team are 60, 61, 60, 59. Assume that samples of size 2 are randomly selected with replacement from this population of four heights.
 
  Which of the following statements is (are) true?
 
  A: If you list the 16 different possible samples of size 2 and find the mean height in each sample, the mean of the 16 sample means will be 60 inches
  B: Within each sample, the mean height will be 60 inches
  C: The mean of the sampling distribution of means is 60 inches
  A) C only B) A only C) All of them D) A and C



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bigcheese9

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Answer to Question 1

D

Answer to Question 2

D




Yolanda

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Reply 2 on: Aug 2, 2018
Great answer, keep it coming :)


chereeb

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

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