A company manufactures 50,000 ballpoint pens each day. The manufacturing process produces 50 defective pens per 1,000,
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A company manufactures 50,000 ballpoint pens each day. The manufacturing process produces 50 defective pens per 1,000, on average. A random sample of 400 pens is selected from each day’s production and tested. What is the probability that the sample contains
(A) At least 14 and no more than 25 defective pens?
(B) 33 or more defective pens?
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Is it appropriate to use a normal distribution to approximate this binomial distribution The answer ...View the full answer
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Related Book For 
Finite Mathematics For Business Economics Life Sciences And Social Sciences
ISBN: 9780134862620
14th Edition
Authors: Raymond Barnett, Michael Ziegler, Karl Byleen, Christopher Stocker
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