Question: a. The 99% confidence interval for the mean sleeping time is (6.00, 8.64). b. The 99% confidence interval for the mean sleeping time is

a. The 99% confidence interval for the mean sleeping time is (6.00,

a. The 99% confidence interval for the mean sleeping time is (6.00, 8.64). b. The 99% confidence interval for the mean sleeping time is (4.76, 7.40). c. The 99% confidence interval for the mean sleeping time is (4.76, 8.64). d. The 99% confidence interval for the mean sleeping time is (6.00, 7.40).

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