A significant number of students completed a Statistics exam, and the final marks had a mean of 70 and a standard deviation of 10. What proportion of the students scored between lower 65 and 75 if the distribution of these grades may be approximated by a normal distribution?
A significant number of students completed a Statistics exam, and the final marks had a mean of 70 and a standard deviation of 10. What proportion of the students scored between lower 65 and 75 if the distribution of these grades may be approximated by a normal distribution?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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A significant number of students completed a Statistics exam, and the final marks had a mean of 70 and a standard deviation of 10. What proportion of the students scored between lower 65 and 75 if the distribution of these grades may be approximated by a
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