If a random variable has a normal distribution with mean 77.5 and standard deviation 12.4 find the probabilities that it will take on a value a. less than 55.1%3; b. greater than 84.3;

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 1CYU
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(2) If a random variable has a normal distribution with mean 77.5 and standard deviation 12.4
find the probabilities that it will take on a value
a. less than 55.1%3;
b. greater than 84.3;
Transcribed Image Text:(2) If a random variable has a normal distribution with mean 77.5 and standard deviation 12.4 find the probabilities that it will take on a value a. less than 55.1%3; b. greater than 84.3;
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