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redlocust108Lv1
9 Sep 2020
Week 2b - Ch3 Normal Distributions: Problem 3 Previous Problem List Next (1 point) The times for the mile run of a large group of male college students are approximately Normal with mean 7.13 minutes and standard deviation 0.78 minutes. Use the 68-95-99.7 rule to answer the following questions. (Start by making a sketch of the density curve you can use to mark areas on.) (a) What range of times covers the middle 95% of this distribution? (b) What percent of these men run a mile in less than 6.35 minutes? (a) from minutes to minutes (b) Note: You can eam partial credit on this problem. Preview My Answers Submit Answers You have attempted this problem 0 times. You have unlimited attempts remaining.
Week 2b - Ch3 Normal Distributions: Problem 3 Previous Problem List Next (1 point) The times for the mile run of a large group of male college students are approximately Normal with mean 7.13 minutes and standard deviation 0.78 minutes. Use the 68-95-99.7 rule to answer the following questions. (Start by making a sketch of the density curve you can use to mark areas on.) (a) What range of times covers the middle 95% of this distribution? (b) What percent of these men run a mile in less than 6.35 minutes? (a) from minutes to minutes (b) Note: You can eam partial credit on this problem. Preview My Answers Submit Answers You have attempted this problem 0 times. You have unlimited attempts remaining.
steven03Lv10
26 Jun 2023
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