Question: j 2. If we randomly select 20 drive times, what is the probability that the sample mean exceeds 16 minutes? Again, assume u = 15.3

j 2. If we randomly select 20 drive times, what j

2. If we randomly select 20 drive times, what is the probability that the sample mean exceeds 16 minutes? Again, assume u = 15.3 minutes and o = 2.2 minutes. Use TWO different methods: a. Find z = x- 0 then use NORM.S.DIST or the Standard Normal Table. b. Find the answer directly using NORM.DIST. Be sure to use the standard error of the mean for the "standard_dev entry in the Excel function

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