The Basic Practice of Statistics 7th Edition

Published by W. H. Freeman
ISBN 10: 146414253X
ISBN 13: 978-1-46414-253-6

Chapter 14 - Binomial Distributions - Chapter 14 Exercises - Page 341: 14.29b

Answer

See below.

Work Step by Step

For a normal approximation of the binomial distribution the requirements are: $np\geq10$ and $nq\geq10$. Here $np=600\cdot0.01=6\lt10$, thus the requirements are not satisfied, so we cannot use the normal distribution as an approximation.
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