The scores of an examination are assumed to be normally distributed with mean of 75 and variance of 64. What is the probability that a student score chosen at random will be less than 85? 0.89435 0.10565 0.20112 O 0.79489

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 2GP
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The scores of an examination are assumed to be normally distributed with mean
of 75 and variance of 64. What is the probability that a student score chosen at
random will be less than 85?
O 0.89435
O 0.10565
O 0.20112
O 0.79489
Transcribed Image Text:The scores of an examination are assumed to be normally distributed with mean of 75 and variance of 64. What is the probability that a student score chosen at random will be less than 85? O 0.89435 O 0.10565 O 0.20112 O 0.79489
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