In: Statistics and Probability
1a) In a certain county, 60% of registered voters are Republicans, 30% are Democrats, and 10% are Independents. When those voters were asked about increasing military spending, 40% opposed it, 65% of Democrats opposed it, and 55% of Independents opposed it. A registered voter from this county writes a letter to the local paper arguing against increased military spending. What is the probability that this voter is an Independent?
1b) In a certain county, 60% of registered voters are Republicans, 30% are Democrats, and 10% are Independents. When those voters were asked about increasing military spending, 40% of Republicans opposed it, 65% of Democrats opposed it, and 55% of Independents opposed it. What is the probability that a randomly selected voter in this country did not oppose increased military spending?
1b)