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Author Question: True or false, the standard deviation of a normally distributed variable can be any real number. ... (Read 69 times)

HudsonKB16

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on: Jul 25, 2018
True or false, the standard deviation of a normally distributed variable can be any real number.
 
  A) True B) False

Question 2

A survey of randomly chosen adults found that 28 of the 63 women and 31 of the 67 men follow regular exercise programs. Construct a 95 confidence interval for the difference in the proportions of women and men who have regular exercise programs.
 
  A) -0.218 to 0.646 B) 0.246 to 0.646 C) 0.277 to 0.615 D) -0.186 to 0.151


moormoney

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Reply #1 on: Jul 25, 2018
Answer to Question 1

B

Answer to Question 2

D


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HudsonKB16

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Reply #2 on: Jul 25, 2018
Thank you!


moormoney

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Reply #3 on: Jul 25, 2018
Always glad to help...


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