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Statement of a problem № m251

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Batches that consist of 50 coil springs from a production process are checked for conformance to customer requirements. The mean number of nonconforming coil springs in a batch is 5. Assume that the number of nonconforming springs in a batch, denoted as X, is a binomial random variable. (a) What are n and p? (b) What is P(X < 2? (c) What is P(X > 49?

Solution:
Batches that consist of 50 coil springs from a production process are checked fo

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