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Consider the hypothesis test given by H0 p=0.5 H1>0.5
In a random sample of 625 subjects, the sample proportion is found to be pˆ= .0 55.
(a) Determine the test statistic. Show all work; writing the correct test statistic, withoutsupporting work, will receive no credit
(b) Determine the P-value for this test. Show all work; writing the correct P-value,without supporting work, will receive no credit.
(c) Is there sufficient evidence to justify the rejection of H0 at the 0.01 level?
according to the u.s. bureau of labor statistics self-employed persons with home-based businesses work an average of 23
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Find the 90% confidence interval for the variance and standard deviation for the time it takes a state police inspector to check a truck for safety if a sample of 27 trucks has a standard deviation of 6.8 minutes.
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