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In a sample of 55 statistics students, the mean time spent each week in studying is 65.3 minutes. If the margin of error on a

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In a sample of 55 statistics students, the mean time spent each week in studying is 65.3 minutes. If the margin of error on a 90% confidence interval is 0.688, what would be the left endpoint and the right endpoint of the confidence interval? (Round your endpoints to one decimal place.) A. (64.6, 66) O B. (65, 65.6) O C. (54.3, 55.7) D. (63.9, 65.3)

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