We wish to develop a confidence interval for the population mean. The population follows the normal distribution and we have a sample of 10 observations. We decide to use the 90 percent level of confidence. The appropriate value of to represent the level of confidence is
A. z =1.65
B. z = 1.96
C. t = 1.833
D. t = 1.812
Qnt561 Qnt/561 Qnt 561 Final Exam Multiple-choice Quiz
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