Question: KPU is interested in determining whether or not the mean age of participants in its evening classes is significantly below 34. Suppose population standard deviation

KPU is interested in determining whether or not the mean age of participants in its evening classes is significantly below 34. Suppose population standard deviation is known to be 5 years. A random sample of 16 participants is selected, and the sample mean is calculated as 32. Use 95% level of confidence.

State the null and alternative hypothesis.

Test whether or not the mean age of participants in its evening classes is significantly above 34. Show all the steps and your conclusion.

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