total amount of 2400 classic watches. The machine A produces 960 watches, B produces 1200 watches, while the rest are produced by C. Knowing that 7% of the watches produced by A are defective, 2% of the watches produced by B are defective and 10% of the watches produced by C are defective. One watch is chosen at random, the probability that the watch is not defected is: 0.952 0.955 0.96 None of these

A First Course in Probability (10th Edition)
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Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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In a factory there are three machineries A, B and C. These machines produce yearly a
total amount of 2400 classic watches. The machine A produces 960 watches, B produces
1200 watches, while the rest are produced by C. Knowing that 7% of the watches
produced by A are defective, 2% of the watches produced by B are defective and 10% of
the watches produced by Care defective. One watch is chosen at random, the
probability that the watch is not defected is:
0.952
0.955
0.96
None of these
Transcribed Image Text:In a factory there are three machineries A, B and C. These machines produce yearly a total amount of 2400 classic watches. The machine A produces 960 watches, B produces 1200 watches, while the rest are produced by C. Knowing that 7% of the watches produced by A are defective, 2% of the watches produced by B are defective and 10% of the watches produced by Care defective. One watch is chosen at random, the probability that the watch is not defected is: 0.952 0.955 0.96 None of these
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