Suppose that the four inspectors at a lm factory are
Chapter 3, Problem 2.99(choose chapter or problem)
Suppose that the four inspectors at a lm factory are supposed to stamp the expiration date on each package of lm at the end of the assembly line. John, who stamps 20% of the packages, fails to stamp the expiration date once in every 200 packages; Tom, who stamps 60% of the packages, fails to stamp the expiration date once in every 100 packages; Je, who stamps 15% of the packages, fails to stamp the expiration date once in every 90 packages; and Pat, who stamps 5% of the packages, fails to stamp the expiration date once in every 200 packages. If a customer complains that her package of lm does not show the expiration date, what is the probability that it was inspected by John
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