Scores on the quantitative portion of the GRE are approximately normally distributed with mean μ = 150.8 and standard deviation o = 8.8. What is the probability that 30 randomly selected students will have a mean score that is between 149 and 152.6? (Round your answer to three decimal places.)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 11PPS
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Scores on the quantitative portion of the GRE are approximately normally distributed with mean
μ = 150.8 and standard deviation σ = 8.8.
What is the probability that 30 randomly selected students will have a mean score that is between 149
and 152.6?
(Round your answer to three decimal places.)
Transcribed Image Text:Scores on the quantitative portion of the GRE are approximately normally distributed with mean μ = 150.8 and standard deviation σ = 8.8. What is the probability that 30 randomly selected students will have a mean score that is between 149 and 152.6? (Round your answer to three decimal places.)
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