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7. There are four QA inspectors in a packaging factory. Each one is supposed to stamp the date of arrival on each package at the end of the line. James, who stamps 20% of the packages, fails to stamp the expiration date once in every 200 packages; Jessie, who stamps 60% of the packages, fails to stamp the expiration date once in every 100 packages. Leah, who stamps 15% of the packages, fails to stamp the expiration date once in every 100 packages; and Andre, who stamps 5% of the packages, fails to stamp the expiration date once in every 200 packages. If a customer complains that the date of arrival was not stamped on, what is the probability that it was inspected by Jessie?

7. There are four QA inspectors in a packaging factory. Each one is supposed to stamp the date of arrival on each package at the end of the line. James, who stamps 20% of the packages, fails to stamp the expiration date once in every 200 packages; Jessie, who stamps 60% of the packages, fails to stamp the expiration date once in every 100 packages. Leah, who stamps 15% of the packages, fails to stamp the expiration date once in every 100 packages; and Andre, who stamps 5% of the packages, fails to stamp the expiration date once in every 200 packages. If a customer complains that the date of arrival was not stamped on, what is the probability that it was inspected by Jessie?

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter4: Factors, Fractions, And Exponents
Section4.4: Least Common Multiple
Problem 64E
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7. There are four QA inspectors in a packaging factory. Each one is supposed to stamp the date of arrival on each package at the end of the line. James, who stamps 20% of the packages, fails to stamp the expiration date once in every 200 packages; Jessie, who stamps 60% of the packages, fails to stamp the expiration date once in every 100 packages. Leah, who stamps 15% of the packages, fails to stamp the expiration date once in every 100 packages; and Andre, who stamps 5% of the packages, fails to stamp the expiration date once in every 200 packages. If a customer complains that the date of arrival was not stamped on, what is the probability that it was inspected by Jessie?
Transcribed Image Text:7. There are four QA inspectors in a packaging factory. Each one is supposed to stamp the date of arrival on each package at the end of the line. James, who stamps 20% of the packages, fails to stamp the expiration date once in every 200 packages; Jessie, who stamps 60% of the packages, fails to stamp the expiration date once in every 100 packages. Leah, who stamps 15% of the packages, fails to stamp the expiration date once in every 100 packages; and Andre, who stamps 5% of the packages, fails to stamp the expiration date once in every 200 packages. If a customer complains that the date of arrival was not stamped on, what is the probability that it was inspected by Jessie?
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