Find the expected number of appearance defects in a new car

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Reference no: EM131417873

Defects

A consumer organization inspecting new cars found that many had appearance defects (dents, scratches, paint chips, etc.). While none had more than three of these defects, 7% had three, 11% two, and 21% one defect. Find the expected number of appearance defects in a new car, and the standard deviation.

Reference no: EM131417873

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