The results of a recent survey of 1500
American adults show that 525 approve of the
job that President George W. Bush is doing
and 975 do not approve.

A) what is the ratio of those that approve to those that do not?

B) if there are 199 million adults in the United States, how many approve of George W?

As voters exit the polls, you ask a representative random sample of voters if they voted for a proposition. if the true percentage of voters who vote for the proposition is 63%, what is the probability that, in your sample, exactly 5 do not voted for the proposition before 2 voted for the proposition? the probability is