Mathematics, 01.07.2019 00:30, caggh345
Scores on a test are normally distributed with a mean of 70 and a standard deviation of 11.5. find p81, which separates the bottom 81% from the top 19%.
Answers: 1
and so we use that value to calculate the score for the percentile:
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Scores on a test are normally distributed with a mean of 70 and a standard deviation of 11.5. find p...
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