Question

A sample of 25 observations is taken from a normal distribution with a population variance of...

  1. A sample of 25 observations is taken from a normal distribution with a population variance of 9. The sample mean is 5. The 95 percent confidence interval for the population mean is from

    A

    3.82

    B

    6.18

    C

    3.76

    D

    6.24

0 0
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