Scores on the quantitative portion of the GRE are approximately normally distributed with meanμ = 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 149and 152.6?(Round your answer to three decimal places.)

The random variable X is the score on the quantitative portion of the GRE X~N(μ=150.8,σ=8.8) The…

Answered: Scores on the quantitative portion of…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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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.)