It is desired to test the null hypothesis (mu=30) minutes against the alternative hypothesis (mu <30) minutes
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It is desired to test the null hypothesis \(\mu=30\) minutes against the alternative hypothesis \(\mu<30\) minutes on the basis of the time taken by a newly developed oven for \(n=50\) cakes baked. The population has \(\sigma=\) 5 minutes. For what values of \(\bar{X}\) must the null hypothesis be rejected if the probability of a Type I error is to be \(\alpha=0.05\).
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SOLUTION Given H0 30 minutes H1 30 minutes n 50 5 minutes 0...View the full answer
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Related Book For 
Probability And Statistics For Engineers
ISBN: 9780134435688
9th Global Edition
Authors: Richard Johnson, Irwin Miller, John Freund
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