In a given office, the color printer breaks down with a probability of 20% in any month. A binomial process is assumed for a period of 10 months
(a) What is the probability that the printer breaks down exactly 2 times?
(b) What is the probability that the printer breaks down at most 1 time?
(c) What is the probability that the printer breaks down more than once?
(a) P(r = 2 ) = 0.3020 (b) P(r ? 1 ) = 0.3758 (c) P(r > 1 ) = 0.6242
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