3. Suppose that magnetic tape made by a certain factory has an average of 1 flaw...
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3. Suppose that magnetic tape made by a certain factory has an average of 1 flaw per 60 me- ters of tape. If the distribution of these flaws is modeled by a Poisson process, find (a) the probability that a 100m section of tape will have at most 1 flaw. (b) the probability that a 75 meter section will have 3 or more flaws. (c) the maximum length of a section for which the probability that it will contain no flaws is at least 90%. 3. Suppose that magnetic tape made by a certain factory has an average of 1 flaw per 60 me- ters of tape. If the distribution of these flaws is modeled by a Poisson process, find (a) the probability that a 100m section of tape will have at most 1 flaw. (b) the probability that a 75 meter section will have 3 or more flaws. (c) the maximum length of a section for which the probability that it will contain no flaws is at least 90%.
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Business Analytics Methods Models and Decisions
ISBN: 978-0321997821
2nd edition
Authors: James R. Evans
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