P(A or B) = P(A) + P(B) - P(A and B) P(A and B) = P(A)xP(B| A) P(A and B) = P(A)xP(B) (if independent) P(B| A)_ P(A and B) P(A) In a Pew poll of American voters, almost 80% of Democrats say the government shutdown is a "very serious" problem for the country, while just 36% of Republicans feel the same. 55% of the people polled were Democrats and 45% were Republicans. (a) Overall, what percentage of American voters say the government shutdown is a "very serious" problem for the country? Answer- (b) Set up a 2x2 probability table. Round all percentages to 2 decimal places. Democrat Republican Total o Serious Not Serious Total Next page N 9