Elementary Statistics (12th Edition)

Published by Pearson
ISBN 10: 0321836960
ISBN 13: 978-0-32183-696-0

Chapter 6 - Normal Probability Distributions - 6-7 Normal as Approximation to Binomial - Basic Skills and Concepts - Page 311: 2


12.5 to 13.5.

Work Step by Step

Continuite correction is made for integers in a binomial distribution by representing x by the interval x-0.5 to x+0.5. Hence, 13 will be represented by 13-0.5=12.5 to 13+0.5=13.5.
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