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Author Question: Given a normal random variable x with mean of 82 and standard deviation of 12, the value of the ... (Read 53 times)

dejastew

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on: Jul 24, 2018
Given a normal random variable x with mean of 82 and standard deviation of 12, the value of the standard normal random variable z associated with x = 70 is smaller than zero.
  Indicate whether the statement is true or false

Question 2

If you wish to construct 85 upper confidence bound (UCB) for the population proportion p, then the z-value you should use is approximately:
 a. 2.58
  b. 2.33
  c. 1.96
  d. 1.65
  e. 1.04


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Cnarkel

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Reply #1 on: Jul 24, 2018
Answer to Question 1

T

Answer to Question 2

E


dejastew

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Reply 2 on: Jul 24, 2018
Great answer, keep it coming :)

bassamabas

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Reply 3 on: Yesterday
Excellent

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