Calculus and Above

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DigiBook is a digital book...

DigiBook is a digital book provider that sells their downloaded product through both Anason and Bairnes-Nolb. Anason requires that DigiBook use a different format than they use for Bairnes-Nolb. DigiBook keeps records that show the number of unacceptable downloads done by each format. Based on past data, the probability that a DigiBook came from Format 1 and was unacceptable is 0.01 and the probability that a Digibook came from Format 2 and was unacceptable is 0.07. These probabilities represent the probability of one DigiBook out of the total sample having the specified characteristics. Half the books are downloaded using Format 1 and the other half are downloaded using Format 2.

a. If a downloaded DigiBook is selected at random, what is the probability that it is an unacceptable download?

b. If a downloaded DigiBook is selected at random, what is the probability that it was downloaded using Format 1?

c. If a downloaded DigiBook is selected at random, what is the probability that it was both acceptable and downloaded using Format 2?

a. If a downloaded DigiBook is selected at random, what is the probability that it is an unacceptable download?

b. If a downloaded DigiBook is selected at random, what is the probability that it was downloaded using Format 1?

c. If a downloaded DigiBook is selected at random, what is the probability that it was both acceptable and downloaded using Format 2?

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