SOLUTION: Q.two stores sell a certain product. Store A has 36% of the sales, 2% of which are defective items, and store B has 64% of the sales, 1% of which are defective items. The differenc
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Question 729490: Q.two stores sell a certain product. Store A has 36% of the sales, 2% of which are defective items, and store B has 64% of the sales, 1% of which are 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?
Can you explain how to come out with a solution for this type of problem.? Found 2 solutions by lynnlo, ikleyn:Answer by lynnlo(4176) (Show Source):
You can put this solution on YOUR website! .
Q.two stores sell a certain product. Store A has 36% of the sales, 2% of which are defective items,
and store B has 64% of the sales, 1% of which are 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?
Can you explain how to come out with a solution for this type of problem.?
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The probability that one of this product is defective is
0.36*0.02 + 0.64*0.01 = 0.0136. ANSWER
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