Ms. wong is redecorationg her office. she has a choice of 7 colors of paint, 4 kind of curtains, 3 colors of carpet, and 2 styles of furniture. how many different ways are there to redecorate if she chooses two different colors of paint, one kind of curtain, one color of carpet, and one style of furninture.

a. 168 ways
b. 1,008 ways
c. 1,176 ways
d. 23 ways

Suppose that 3% of all athletes are using the endurance-enhancing hormone epo (you should be able to simply compute the percentage of all athletes that are not using epo). for our purposes, a “positive” test result is one that indicates presence of epo in an athlete’s bloodstream. the probability of a positive result, given the presence of epo is .99. the probability of a negative result, when epo is not present, is .90. what is the probability that a randomly selected athlete tests positive for epo? 0.0297