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A Tamiami shearing machine is producing 10 percent defective pieces, which is abnormally high.

A Tamiami shearing machine is producing 10 percent defective pieces, which is abnormally high. The quality control engineer has been checking the output by almost continuous sampling since the abnormal condition began. What is the probability that in a sample of 10 pieces:

Exactly 5 will be defective?
5 or more will be defective?

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