Foundations of Math 12. Please show your work.

16. In the Olympic sport of biathlon, athletes must cross country ski and then shoot a rie at a small circular target. Two athletes shoot one shot each at the target independently. The probability of each player hitting the centre of the target is 0.55 and 0.65 respectively. What is the probability that at most one of them will hit the centre. 16. 3mrs 17. In a certain suburb it has been determined that 26% of adults wear contact lenses. Two adults are selected at random from this suburb. Given that at least 1 of these adults wears contact lenses, what is the probability that both of these adults wear contact lenses? 1