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Author Question: Given that Z is a standard normal random variable, P(-1.0 Z 1.5) is: a. 0.7745 b. 0.8413 c. 0.0919 ... (Read 23 times)

oliviahorn72

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on: Jun 24, 2018
Given that Z is a standard normal random variable, P(-1.0 Z 1.5) is:
 a. 0.7745 b. 0.8413
  c. 0.0919 d. 0.9332

Question 2

A null hypothesis can only be rejected at the 10 significance level if and only if:
 a. a 90 confidence interval includes the hypothesized value of the parameter
  b. a 90 confidence interval does not include the hypothesized value of the parameter
  c. the null hypothesis is biased
  d. the null hypotheses includes sampling error


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perkiness

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

a

Answer to Question 2

b


oliviahorn72

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Reply 2 on: Jun 24, 2018
Wow, this really help

smrtceo

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

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