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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
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.
| a. | What is the probability that exactly 3 parts will be defective? |
| b. | What is the probability that the number of defective parts will be more than 2 but fewer than 6? |
| c. | What is the probability that fewer than 4 parts will be defective? |
| d. | What is the expected number of defective parts? |
| e. | What is the variance for the number of defective parts? |
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Linear Algebra and Its Applications
Authors: David C. Lay
4th edition
321791541, 978-0321388834, 978-0321791542
