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  3. a bin of 50 parts contains 5 that are defective...

Question: a bin of 50 parts contains 5 that are defective...

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  1. A bin of 50 parts contains 5 that are defective. A sample of 10 parts is selected at random, without replacement.

    (a) How many different samples of size 10 are there that contain at least three defective parts?

    (b) How many ways to obtain a sample of 10 parts from the bin of 50?

(c) What is the probability of obtaining at least three defectives in a sample of 10 parts?

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