Mathematics, 26.03.2020 19:28 20stirltrer
Two percent of the parts produced by a machine are defective. Twenty parts are selected at random. Use the binomial probability tables to answer the following questions. What is the probability that exactly 3 parts will be defective? (4 decimal places) What is the probability that the number of defective parts will be more than 2 but fewer than 6? (4 decimal places) What is the probability that fewer than 4 parts will be defective? (4 decimal places) What is the expected number of defective parts? (1 decimal place) What is the variance for the number of defective parts? (3 decimal places)
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