Computer purchases: Out of 774 large purchases made at a computer retailer, 330 were personal computers, 380 were laptop computers, and 64 were printers. As a part of an audit, one purchase record is sampled at random. Round the answers to four decimal places, as needed. (a) What is the probability that it is a personal computer? (b) What is the probability that it is not a laptop computer? Part 1 of 2 (a) What is the probability that it is a personal computer? The probability that it is a personal computer is Part 2 of 2 (b) What is the probability that it is not a laptop computer? The probability that it is not a laptop computer is

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