A group of automotive engineers decided to conduct a study of its school buses and found that for 32 buses, the average stopping distance of buses traveling 50 miles per hour was 248 feet. The standard deviation of the population was 3.4 feet. Find the 99% confidence interval of the mean. a. Margin of error: b. Confidence interval: <μ<

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A: Formula : CI=point estimate ± ME

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A: The provided information is  x x2 47 2209 36 1296 42 1764 35 1225

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Q: written as

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A: Given that  The lengths of random selection of children's animated films are listed below. 90  84…