Let Denote the True Average Number of Minutes of a Television

question 24

Short Answer

Let denote the true average number of minutes of a television commercial. Suppose the hypotheses are tested. Assuming the commercial time is normally distributed, give the appropriate rejection region for each of the following sample sizes and significance levels.
n = 6, = 0.01
______________
n = 12, = 0.05
______________
n = 20, = 0.05
______________
n = 23, = 0.1
______________
You may use the Data Analysis software to find the answers.

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