We wish to develop a confidence interval for the population mean. The shape of the population is not known, but we have a sample of 40 observations. We decide to use the 92 percent level of confidence. The appropriate value of z is:
A. 1.96
B. 1.65
C. 2.58
D. 1.75
Qnt561 Qnt/561 Qnt 561 Final Exam Multiple-choice Quiz
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