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An article in the San Jose Mercury News stated that students in the California state...

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An article in the San Jose Mercury News stated that students in the California state university system take 5 5 years on average to finish their undergraduate degrees A freshman student believes that the mean time is less and conducts a survey of 52 students The student obtains a sample mean of 4 7 with a sample standard deviation of 1 8 Is there sufficient evidence to support the student s claim at an a 0 1 significance level Preliminary a Is it safe to assume that n 5 of all college students in the local area No Yes b Is n 30 Yes No Test the claim a Determine the null and alternative hypotheses Enter correct symbol and value Ho P Ha b Determine the test statistic Round to four decimal places t c Find the p value Round to 4 decimals p value d Make a decision Reject the null hypothesis Fail to reject the null hypothesis

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