Question: LEARNING OBJECTIVE: Identify the z-critical value needed for a given confidence interval. What value of z* should be used to construct a 90% confidence interval

LEARNING OBJECTIVE: Identify the z-critical value needed for a given confidence interval.

What value of z* should be used to construct a 90% confidence interval of a population mean? Answer choices are rounded to the hundredths place.

A.) 1.28

B.) 2.58

C.) 1.65

D.) 1.96

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