patrickfryer7360 patrickfryer7360

06-06-2023
Mathematics

contestada

Suppose that 100 tires made by a certain manufacturer lasted on the average 21,819
miles with a standard deviation of 1,295 miles. Test the null hypothesis
µ = 22, 000 miles against the alternative hypothesis of µ < 22, 000 miles at the α = 0.05
level of significance.

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