In a town, 36% of the citizens contributed to the Republicans,46% contributed to the Democrats, and 12% contributed to both. Whatpercentage contributed to neither party?
A box contains 4 white, 3 red, and 3 black marbles. One marbleis chosen at random, and it is not black. Find the probability thatit is white. (Enter your answer as a fraction.)
Suppose that 90% of drivers are \"careful\" and 10% are\"reckless.\" Suppose further that a careful driver has a 0.2probability of being in an accident in a given year, while for areckless driver the probability is 0.3. What is the probabilitythat a randomly selected driver will have an accident within ayear? (Enter your answer to two decimal places.)
