A population of 2,800 students from a certain region has normally distributed National Examination scores with a mean of 90 and standard deviation of 6. What is the probability that a random sample of 38 students has a mean score above 92? Express your answer in percent form with 2 decimal places (with the percent symbol - e.g. 10.00%). type your answer...
A population of 2,800 students from a certain region has normally distributed National Examination scores with a mean of 90 and standard deviation of 6. What is the probability that a random sample of 38 students has a mean score above 92? Express your answer in percent form with 2 decimal places (with the percent symbol - e.g. 10.00%). type your answer...
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Transcribed Image Text:A population of 2,800 students from a certain region has normally distributed National Examination scores with a mean of 90 and standard
deviation of 6.
What is the probability that a random sample of 38 students has a mean score above 92?
Express your answer in percent form with 2 decimal places (with the percent symbol - e.g. 10.00%).
type your answer...
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