MNM Corporation gives each of its employees an aptitude test. The scores on the test are normally distributed with a mean of 75 and a standard deviation of 15. A simple random sample of 25 is taken from a population of 500. (a) What is the probability that the average aptitude test score in the sample will be between 70.14 and 82.14? (b) What is the probability that the average aptitude test score in the sample will be equal to or greater than 82.68? (c part is in image)
MNM Corporation gives each of its employees an aptitude test. The scores on the test are normally distributed with a mean of 75 and a standard deviation of 15. A simple random sample of 25 is taken from a population of 500. (a) What is the probability that the average aptitude test score in the sample will be between 70.14 and 82.14? (b) What is the probability that the average aptitude test score in the sample will be equal to or greater than 82.68? (c part is in image)
Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter5: Exponential And Logarithmic Functions
Section5.2: Logarithmic Functions And Their Graphs
Problem 11ECP
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MNM Corporation gives each of its employees an aptitude test. The scores on the test are
normally distributed with a mean of 75 and a standard deviation of 15. A simple random sample of 25 is taken
from a population of 500.
(a) What is the probability that the average aptitude test score in the sample will be between 70.14
and 82.14?
(b) What is the probability that the average aptitude test score in the sample will be equal to or
greater than 82.68?
(c part is in image)
Transcribed Image Text:Find a value, C, such that P( X > C) = 0.015.
%3D
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