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Two stores sell a certain product. Store A has 39% of the sales, 4% of which are of defective items, and store B has 61% of the sales, 3% of which are of defective items. The difference in defective rates is due to different levels of pre-sale checking of the product. A person receives one of this product as a gift. What is the probability it is defective? A) 0.034 B) 0.035 C) 0.017 D) 0.43

Two stores sell a certain product. Store A has 39% of the sales, 4% of which are of defective items, and store B has 61% of the sales, 3% of which are of defective items. The difference in defective rates is due to different levels of pre-sale checking of the product. A person receives one of this product as a gift. What is the probability it is defective? A) 0.034 B) 0.035 C) 0.017 D) 0.43

A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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1) Two stores sell a certain product. Store A has 39% of the sales, 4% of which are of defective items, and store B has 61% of the sales, 3% of which are of defective items. The difference in defective rates is due to different levels of pre-sale checking of the product. A person receives one of this product as a gift. What is the probability it is defective? A) 0.034 B) 0.035 C) 0.017 D) 0.43
Transcribed Image Text:1) Two stores sell a certain product. Store A has 39% of the sales, 4% of which are of defective items, and store B has 61% of the sales, 3% of which are of defective items. The difference in defective rates is due to different levels of pre-sale checking of the product. A person receives one of this product as a gift. What is the probability it is defective? A) 0.034 B) 0.035 C) 0.017 D) 0.43
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