The Production Department Has Installed a New Spray Machine to Paint

question 48

Multiple Choice

The production department has installed a new spray machine to paint automobile doors. As is common with most spray guns, unsightly blemishes often appear because of improper mixture or other problems. A worker counted the number of blemishes on each door. Most doors had no blemishes; a few had one; a very few had two; and so on. The average number was 0.5 per door. The distribution of blemishes followed the Poisson distribution. Out of 10,000 doors painted, about how many would have no blemishes?

• A) About 6,065
• B) About 3,935
• C) About 5,000
• D) About 500

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Definitions:

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The further benefit or pleasure derived by consuming an additional unit of a given good or service.