In early 2012, the U.S. Congress approval rating was approximately 10% (Reuters.com). In a poll of 400 Americans, what is the probability that their approval rating is between 8% and 12%?

Question

Quizplus · Accepted Answer

The Answer of In early 2012, the U.S. Congress approval rating was approximately 10% (Reuters.com). In a poll of 400 Americans, what is the probability that their approval rating is between 8% and 12%?

In Early 2012, the U