Mathematics
Mathematics, 18.10.2019 23:20, donuteatingcat

The number of failures of a testing instrument from contamination particles on the product is a poisson random variable with a mean of 0.018 failures 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 1 failure in a 24-hour day? round your answers to four decimal places (e. g. 98.7654).

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