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Spanking In March 1995, The Harris Poll reported that 80%
Chapter 6, Problem 47E(choose chapter or problem)
Problem 47E
Spanking In March 1995, The Harris Poll reported that 80% of parents spank their children. Suppose a recent poll of 1030 adult Americans with children finds that 781 indicated that they spank their children. If we assume parents’ attitude toward spanking has not changed since 1995, how many of 1030 parents surveyed would we expect to spank? Do the results of the survey suggest that parents’ attitude toward spanking may have changed since 1995? Why?
Questions & Answers
QUESTION:
Problem 47E
Spanking In March 1995, The Harris Poll reported that 80% of parents spank their children. Suppose a recent poll of 1030 adult Americans with children finds that 781 indicated that they spank their children. If we assume parents’ attitude toward spanking has not changed since 1995, how many of 1030 parents surveyed would we expect to spank? Do the results of the survey suggest that parents’ attitude toward spanking may have changed since 1995? Why?
ANSWER:
Answer
Step 1 of 1
(a)
In March 1995, 80% of parents spanked their children.
A recent poll of 1030 adult Americans with children finds that 781 indicated that they spank their children.
We are asked to find the number of parents out of 1030 surveyed would we expect to spank.
Do the results of the survey suggest that parents’ attitude toward spanking may have changed since 1995?
Random variable represents the number of parents who spank th