A public opinion poll shows that in a sample of 150 voters, 79 preferred candidate X. If X can be confident of winning, she can save campaign funds by reducing TV commercials. Given the results of the...

A public opinion poll shows that in a sample of 150 voters, 79 preferred candidate X. If X can be confident of winning, she can save campaign funds by reducing TV commercials. Given the results of the survey should X conclude that she has a majority of the votes? (Use α = 0:05.)

Construct a 0.95 interval on the true proportion of voters preferring candidate X in Exercise 9.

Exercise 9

A public opinion poll shows that in a sample of 150 voters, 79 preferred candidate X. If X can be confident of winning, she can save campaign funds by reducing TV commercials. Given the results of the survey should X conclude that she has a majority of the votes? (Use α = 0:05.)