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Question 26 The number of failures of a testing instrument from contamination particles on the product is a Poisson random variable with a mean of 0.029 failure per hour. (a) What is the probability that the instrument does not fail in an 8-hour shift? (b) What is the probability of at least one failure in a 24-hour day? Round your answers to four decimal places (e.g. 98.7654) (a) The probability is (b) The probability is

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