5.36 Based on past experience, it is assumed that the number of flaws per foot in rolls of grade 2 paper follows a Poisson distribution with a mean of 1 flaw per 5 feet of paper (0.2 flaw per foot). What is the probability that in a a. 1-foot roll, there will be at least 2 flaws? b. 12-foot roll, there will be at least 1 flaw? c. 50-foot roll, there will be more than or equal to 5 flaws and fewer than or equal to 15 flaws?
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