1 page/≈275 words
Literature & Language
Inferential Statistics (Math Problem Sample)
A light bulb manufacturer guarantees that the mean life of a certain light bulb is at least 750 hours. A random Sample of 36 light bulbs has a mean life of 745 hours with a standard deviation of 60 hours.
The problem requires that we determine whether at Î» =0.02, we can agree that there is evidence to reject the manufacturerâ€™s claim, find the test statistic, the p-value, decide if we can reject the null hypothesis, and interpret the decision in the context of the original claim.
Steps followed are as follows;
From the question presented alongside, the following can be deducted;
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