A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN: 9780134753119
Author: Sheldon Ross
Publisher: PEARSON
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A company buys microchips from three suppliers—I, II, and III. Supplier I has a record
of providing microchips that contain 10% defectives; Supplier II has a deflective rate of
5%; and Supplier III has a defective rate of 2%. Suppose 20%, 35%, and 45% of the
current supply came from Suppliers I, II, and III, respectively. If a microchip is selected
at random from this supply, what is the probability that it is defective?
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Transcribed Image Text:A company buys microchips from three suppliers—I, II, and III. Supplier I has a record of providing microchips that contain 10% defectives; Supplier II has a deflective rate of 5%; and Supplier III has a defective rate of 2%. Suppose 20%, 35%, and 45% of the current supply came from Suppliers I, II, and III, respectively. If a microchip is selected at random from this supply, what is the probability that it is defective?
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