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6.10. Historically, 92% of the overnight deliveries of a parcel service arrive the next morning before noon (considered on time delivery). Suppose 300 deliveries are

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6.10. Historically, 92% of the overnight deliveries of a parcel service arrive the next morning before noon (considered \"on time" delivery). Suppose 300 deliveries are randomly selected for the purposes of quality control. a. What is the probability that more than 90% of the deliveries were on time? b. What is the probability that less than 85% of the deliveries were on time

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