for which set of probabilities would events a and b be independent?; which situation describes independent events?; find a โฉ b โฉ c. a) {2,3,5,6,7,11,12} b) {2,3,5,6,7,8,9,11,12} c) {3,7} d) {7}; what is the probability of an event that is certain; what is the probability of an event that is impossible; what is the sum of the probabilities of all values of the random variable; what is the sum of the probabilities of all possible outcomes; oatmeal cookie recipe healthy