Ten percent of the items produced by a machine are defective. Out of 15 items chosen at random,
a.what is the probability that exactly 3 items will be defective?b.what is the probability that less than 3 items will be defective?c.what is the probability that exactly 11 items will be non-defective?
What will be an ideal response?
| a. | 0.1285 |
| b. | 0.816 |
| c. | 0.0428 |
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