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A manufacturing of window frames knows from long experience that 5 percent of the production will have some type of minor defect that will require
A manufacturing of window frames knows from long experience that 5 percent of the production will have some type of minor defect that will require an adjustment. What is the probability that in a sample of 20 window frames: Please again round and keep three decimals. And keep the '0' before the decimal point.
a. None will need adjustment?
b. At least one will need adjustment?
c. More than two will need adjustment?
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