Introductory Statistics 9th Edition

Published by Wiley
ISBN 10: 1-11905-571-7
ISBN 13: 978-1-11905-571-6

Chapter 6 - Section 6.5 - The Normal Approximation to the Binomial Distribution - Exercises - Page 262: 6.45

Answer

The normal distribution is used as an approximation to the binomial distribution when np and nq are both greater than 5, that is $np \gt5$, $nq\gt5$.

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