Chapter 10, Problem 1E

For Exercises 1–4, answer the questions: (a) Is this a one- or two-tailed test? (b) What is the decision rule? (c) What is the value of the test statistic? (d) What is your decision regarding H₀? (e) What is the p-value? Interpret it.

1. A sample of 36 observations is selected from a normal population. The sample mean is 49, and the population standard deviation is 5. Conduct the following test of hypothesis using the .05 significance level.

$\begin{array}{c}{H}_0:\text{μ}=\text{50}\\ H_1:\text{μ}\ne \text{50}\end{array}$