Algebra 36.docx - 1 An assembly plant produces 40 lawn mowers of those 7 are defective Prior to shipping the mowers to retailers the company’s quality

# Algebra 36.docx - 1 An assembly plant produces 40 lawn...

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: An assembly plant produces 40 lawn mowers; of those, 7 are defective. Prior to shipping the mowers to retailers, the company’s quality control department selects 10 of the 40 mowers at random for testing. The assembly plant will be shut down for troubleshooting if 1 or more mowers in the sample are found to be defective. What is the probability that the plant will be shut down? Hint : find the complementary probability P ( E c ) P ( E' ) that 0 of the 10 lawn mowers selected out of the production lot of 40 (with its 7 defective mowers) are defective. The probability that plant shuts down if 1 or more mowers in sample are found defective:

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• Winter '16
• lawn mowers, e c

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