What is the probability that in a sample of 20 window frames

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Reference no: EM13120608

Probability
A manufacturer of window frames know from long experience that 5 percent of the production will have some type of minor defect tht will require an adjustment. What is the probability that in a sample of 20 window frames
a) none will need adjustment
b) at least one will need adjustment
c) More than two will need adjustment

Reference no: EM13120608

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