Probability that more than five sticks will be defective

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A quality control engineer selects an SRS of 20 sticks from a large shipment. The engineer is unaware of the fact that 5% of the sticks in the shipment fail to meet specifications. What is the probability that no more than 3 will be defective? What is the probably that more than 5 will be defective?

Reference no: EM13135628

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