INTRODUCTION TO STATISTICS & DATA ANALYS
INTRODUCTION TO STATISTICS & DATA ANALYS
6th Edition
ISBN: 9780357420447
Author: PECK
Publisher: CENGAGE L
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Chapter 8.3, Problem 24E
  1. a. For which of the sample sizes given in the previous exercise would the sampling distribution of p ^ be approximately normal if p = 0.65?
  2. b. For which of the sample sizes given in the previous exercise would the sampling distribution be approximately normal if p = 0.2?

8.23 A random sample is to be selected from a population that has a proportion of successes p = 0.65. Determine the mean and standard deviation of the sampling distribution of p ^ for each of the following sample sizes:

  1. a. n = 10
  2. b. n = 20
  3. c. n = 30
  4. d. n = 50
  5. e. n = 100
  6. f. n = 200
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