The population of awesome town, california (aka santa clarita) in the year 1980 was 66,730 people. in 2000, the population rose to 151,088 people. assume t=0 at 1980. 1. is this growth exponential or linear? explain your initial reasoning.

There are three bags: a (contains 2 white and 4 red balls), b (8 white, 4 red) and c (1 white 3 red). you select one ball at random from each bag, observe that exactly two are white, but forget which ball came from which bag. what is the probability that you selected a white ball from bag a?