Question: Southwest Elementary School uses school buses supplied by companies A, B and C. The probability that the busses supplied by company A arrive on time is 0.985, the probability that the buses supplied by company B arrive on time is 0.92 and the probability that the buses supplied by company C is late is 0.075. Find the probability that all the busses arrive on time (hint: this means bus A and bus B and bus C all arrive on time)