Solution Found!
Answer: In Exercises, use the following survey results:
Chapter 9, Problem 2 CQQ(choose chapter or problem)
In Exercises 1–4, use the following survey results: Randomly selected subjects were asked if they agreed with the statement “It is morally wrong for married people to have an affair.” Among the 386 women surveyed, 347 agreed with the statement. Among the 359 men surveyed, 305 agreed with the statement (based on data from a Pew Research poll).
Find the value of the pooled proportion p ̄ obtained when testing the claim given in Exercise 1.
Questions & Answers
QUESTION:
In Exercises 1–4, use the following survey results: Randomly selected subjects were asked if they agreed with the statement “It is morally wrong for married people to have an affair.” Among the 386 women surveyed, 347 agreed with the statement. Among the 359 men surveyed, 305 agreed with the statement (based on data from a Pew Research poll).
Find the value of the pooled proportion p ̄ obtained when testing the claim given in Exercise 1.
ANSWER:
Answer :
Step 1 of 1 :
We tested the claim the the proportion of women who agree with the given statement is equal to the proportion of men who agree.
Let group of women be the first sample.
Then the null and alternative hypotheses are
Given among the 386 women surveyed,