a teacher wants to estimate the mean time (in minutes) that students take to go from one classroom to the next. his research assistant uses the sample time of 33 students to report the confidence interval as [7.08, 8.92].a. Find the sample mean time used to compute the confidence interval. (Round intermediate calculations to 4 decimal places, "sample mean" to 2 decimal places.) Sample meanb. Determine the confidence level if the sample standard deviation used for the interval is 1.901. (Round intermediate calculations to 4 decimal places, "t" value to 3 decimal places, and final answer to the nearest whole number.) Confidence level %

His research assistant reports the confidence interval with four decimal places and the "sample mean" with two decimal places using the sample time of 33 pupils. the sample mean duration applied to the confidence interval computation. the final result to the nearest whole number, and the confidence level if the sample standard deviation used for the interval is three decimal places. Confidence interval% level. His research assistant reports the confidence interval using a sample size of 41 pupils. His research assistant reports the confidence using a sample of 38 students. the sample mean duration applied to the confidence interval computation. 90 percentile of the population proportion's confidence interval.

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