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The Z Value for a 90% Confidence Interval for the Population

Question 57

Multiple Choice

The z value for a 90% confidence interval for the population mean with The z value for a 90% confidence interval for the population mean with known is: A) 2.05 B) 1.645 C) 2.17 D) 1.60 known is:


A) 2.05
B) 1.645
C) 2.17
D) 1.60

Correct Answer:

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