over 1,000 people try to climb Mount Everest every year of those who try to claim Everest 31% succeed. the probability that a climber is at least 60 years old is 0.04 the probability that a climber is at least 60 years old and succeeds in climbing Everest is 0.005. find the probability of success given and a climber is at least 60 years old around your answer to three decimal places