Statistics Solutions

[Solution Library] The producer of flashlight dry cells claims its output has a mean life of 750 minutes. A random sample of 15 such batteries has been tested

Question: The producer of flashlight dry cells claims its output has a mean life of 750 minutes. A random sample of 15 such batteries has been tested and a sample mean of 745 minutes and a sample standard deviation if 24 minutes have been obtained. Verify that these results are consistent with the null hypothesis \(\mu \ge 750\) against \(\mu <750\) at \(\alpha =0.01\).

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Solution: The downloadable solution consists of 1 pages
Deliverable: Word Document


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