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938/2 (10 points) ,Use Excel’s function =NORMINV(RAND(),100,10) to generate 1000 random numbers from a ,normal distribution with mean µ= 100 and standard deviation ?= 10. ,Then freeze these random numbers. ,a. Calculate the mean xand standard deviation s of these random numbers. , Are they approximately what you would expect? ,b. What percentage of these random numbers are within one, two, and three standard deviations , of the mean? ,,**only need help on question b,

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