main

prev        

Statement of a problem № m251

        next    

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

New search. (Also 1294 free access solutions)

Online calculators