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The scores on a test given to all juniors in a school district are normally distributed with a mean of 79 and a standard deviation of 7. Fin
Question
The scores on a test given to all juniors in a school district are normally distributed with a mean of 79 and a standard deviation of 7. Find the percent of juniors whose score is no more than 86. The percent of juniors whose score is 86 or below is %.
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2021-08-19T03:42:40+00:00
2021-08-19T03:42:40+00:00 1 Answers
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Answer:
p (x -<-89) = p( _x_-_75_ < _ 89_- __75__) = p (z <_ 2) = 0.9773= 97.73%
7 7
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