Answer
It is required that $np(1-p)\geq10$, in which n is the sample size, p is the proportion of success and 1 - p is the proportion of failures.
Work Step by Step
Given above.
Statistics: Informed Decisions Using Data (4th Edition)
by Sullivan III, Michael
Published by
Pearson
ISBN 10:
0321757270
ISBN 13:
978-0-32175-727-2
Chapter 8 - Review - Review Exercises - Page 421: 3
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