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Scores on a test are normally distributed with a mean of 78 and a standard deviation of 6. A student is selected at random. Which has the greatest probability? Select one: O a. The student's score is between 63 and 72. O b. The student's score is greater that 89. O c. The student's score is less than 69. O d. The student's score is between 78 and 81.

Scores on a test are normally distributed with a mean of 78 and a standard deviation of 6. A student is selected at random. Which has the greatest probability? Select one: O a. The student's score is between 63 and 72. O b. The student's score is greater that 89. O c. The student's score is less than 69. O d. The student's score is between 78 and 81.

MATLAB: An Introduction with Applications
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 a test are normally distributed with a mean of 78 and a standard deviation of 6. A student is selected at random. Which has the greatest probability? Select one: a. The student's score is between 63 and 72. b. The student's score is greater that 89. C. The student's score is less than 69. O d. The student's score is between 78 and 81.
Transcribed Image Text:Scores on a test are normally distributed with a mean of 78 and a standard deviation of 6. A student is selected at random. Which has the greatest probability? Select one: a. The student's score is between 63 and 72. b. The student's score is greater that 89. C. The student's score is less than 69. O d. The student's score is between 78 and 81.
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