The number of chocolate chips in an​ 18-ounce bag of chocolate chip cookies is normally distributed with μ equals=1256 and σ equals=130 chips. What is the probability that a randomly selected bag contains between 866 and 1646 chocolate​ chips?

College Algebra
10th Edition
ISBN:9781337282291
Author:Ron Larson
Publisher:Ron Larson
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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The number of chocolate chips in an​ 18-ounce bag of chocolate chip cookies is normally distributed with μ equals=1256 and σ equals=130 chips. What is the probability that a randomly selected bag contains between 866 and 1646 chocolate​ chips?

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Let the random variable Y represent the number of chocolate chips in a randomly selected bag.

The distribution follows normal with mean 1256 and standard deviation 130.

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