# Question

The expected mean of a continuous population is 100, and its standard deviation is 12. A sample of 50 measurements gives a sample mean of 96. Using a 0.01 level of significance, a test is to be made to decide between “the population mean is 100” and “the population mean is different from 100.” State or find each of the following:

k. Sketch the standard normal curve and locate z and p-value.

k. Sketch the standard normal curve and locate z and p-value.

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