# Question

Over 1,000 people try to climb Mt. Everest every year. Of those who try to climb Everest, 31 percent succeed. The probability that a climber is at least 60 years old is .04. The probability that a climber is at least 60 years old and succeeds in climbing Everest is .005.

(a) Find the probability of success, given that a climber is at least 60 years old.

(b) Is success in climbing Everest independent of age?

(a) Find the probability of success, given that a climber is at least 60 years old.

(b) Is success in climbing Everest independent of age?

## Answer to relevant Questions

Suppose 50 percent of the customers at Pizza Palooza order a square pizza, 80 percent order a soft drink, and 40 percent order both a square pizza and a soft drink. Is ordering a soft drink independent of ordering a square ...A survey of 156 introductory statistics students showed the following contingency table. Find each event probability. a. P(D) b. P(R) c. P(D ∩ R) d. P(D ∪ R) e. P(R | D) f. P(R | P) Half of a set of the parts are manufactured by machine A and half by machine B. Four per- cent of all the parts are defective. Six percent of the parts manufactured on machine A are defective. Find the probability that a ...Find the following permutations nPr: a. n = 8 and r = 3. b. n = 8 and r = 5. c. n = 8 and r = 1. d. n = 8 and r = 8. (a) In a certain state, license plates consist of three letters (AZ) followed by three digits (09). How many different plates can be issued? (b) If the state allows any six-character mix (in any order) of 26 letters and ...Post your question

0