5. A state university desires to accept only the top 15% of all graduating seniors who took their entrance test. This trest has a mean of 500 and standard deviation of 100. Find the cutoff score for the test. Assume the variable is normally distributed.

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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5. A state university desires to accept only the top 15% of all graduating seniors who took their
entrance test. This trest has a mean of 500 and standard deviation of 100. Find the cutoff score
for the test. Assume the variable is normally distributed.
6. Find each of the following percentile points under the normal curve.
а. Р99
b. Рб8
с. Р40
Transcribed Image Text:5. A state university desires to accept only the top 15% of all graduating seniors who took their entrance test. This trest has a mean of 500 and standard deviation of 100. Find the cutoff score for the test. Assume the variable is normally distributed. 6. Find each of the following percentile points under the normal curve. а. Р99 b. Рб8 с. Р40
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