Boxes of cereal are filled by a machine. Tests of the machine’s accuracy show that the amount of cereal in each box varies. The weights are normally distributed with a mean of 20 ounces and a standard deviation of 0.25 ounce. a) Find the z-scores for weights of: 19.4 ounces 20.4 ounces b) What is the probability that a randomly selected cereal box weighs at most 19.4 ounces?
Boxes of cereal are filled by a machine. Tests of the machine’s accuracy show that the amount of cereal in each box varies. The weights are normally distributed with a mean of 20 ounces and a standard deviation of 0.25 ounce. a) Find the z-scores for weights of: 19.4 ounces 20.4 ounces b) What is the probability that a randomly selected cereal box weighs at most 19.4 ounces?
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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Boxes of cereal are filled by a machine. Tests of the machine’s accuracy show that the amount of cereal in each box varies. The
weights are
a) Find the z-scores for weights of:
19.4 ounces
20.4 ounces
b) What is the probability that a randomly selected cereal box weighs at most 19.4 ounces?
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