Suppose that the scores on a reading ability test are normally distributed with a mean of 65 and a standard deviation of 9. What proportion of individuals score at least 56 points on this test? Round your answer to at least four decimal places. 0 X S

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 22PFA
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Suppose that the scores on a reading ability test are normally distributed with a mean of 65 and a standard deviation of 9. What proportion of individuals score
at least 56 points on this test? Round your answer to at least four decimal places.
×
3
Transcribed Image Text:Suppose that the scores on a reading ability test are normally distributed with a mean of 65 and a standard deviation of 9. What proportion of individuals score at least 56 points on this test? Round your answer to at least four decimal places. × 3
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