Suppose that in Exercise 9-146, the experimenter had
Chapter 9, Problem 147SE(choose chapter or problem)
Suppose that in Exercise 9-146, the experimenter had believed that \(\sigma=14\). For each of the following sample sizes, and a fixed \(\alpha=0.05\), find the probability of a type II error if the true mean is 205 milliliters per hour.
(a) \(n=20\)
(b) \(n=50\)
(c) \(n=100\)
(d) Comparing your answers to those in Exercise , does the probability of a type II error increase or decrease with the increase in standard deviation? Explain your answer.
Equation Transcription:
Text Transcription:
sigma=14
alpha=0.05
n=20
n=50
n=100
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