The number of gamma rays emitted per second by a certain radioactive substance is a random variable
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The number of gamma rays emitted per second by a certain radioactive substance is a random variable having the Poisson distribution with \(\lambda=5.8\). If a recording instrument becomes inoperative when there are more than 12 rays per second, what is the probability that this instrument becomes inoperative during any given second?
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Probability And Statistics For Engineers
ISBN: 9780134435688
9th Global Edition
Authors: Richard Johnson, Irwin Miller, John Freund
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