Question
The distribution of scores on a recent test closely followed a Normal Distribution with a mean of 22 points and a standard deviation of 2
The distribution of scores on a recent test closely followed a Normal Distribution with a mean of 22 points and a standard deviation of 2 points For this question DO NOT apply the standard deviation rule a What proportion of the students scored at least 27 points on this test rounded to five decimal places 0 00621 I A b What is the 80 percentile of the distribution of test scores rounded to three decimal places
The distribution of scores on a recent test closely followed a Normal Distribution with a mean of 22 points and a standard deviation of 2 points For this question DO NOT apply the standard deviation rule a What proportion of the students scored at least 27 points on this test rounded to five decimal places 0 00621 I A b What is the 80 percentile of the distribution of test scores rounded to three decimal places
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Stats Data And Models
Authors: Richard D. De Veaux, Paul D. Velleman, David E. Bock
4th Edition
321986490, 978-0321989970, 032198997X, 978-0321986498
