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Please use the p-value approach to conduct a hypothesis test for the following problem. Please provide...

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Statistics

Please use the p-value approach to conduct ahypothesis test for the following problem. Please provide detailedsolutions in the four steps to hypothesistesting.

The security department of a factory wants to know whether thetrue average time required by the night guard to walk his round is30 minutes. If, in a random sample of 45 rounds, the night guardaveraged 30.9 minutes with a standard deviation of 1.8 minutes,determine whether this is sufficient evidence to reject the nullhypothesis μ=30 minutes in favor of the alternative hypothesis μ≠30minutes. Use the 0.05 level of significance.

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3.9 Ratings (587 Votes)
Solution Given thatPopulation mean 30Sample mean 309Sample standard deviation s 18Sample size n 45Level of    See Answer
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