Jay puts 8 blue cubes, 6 yellow cubes, and 6 red cubes in a bag. He draws one out, records the color, and puts it back. If he draws cubes from the bag 60 times, how many times can he expect to draw a yellow cube?

You decide instead to take the train there. the train will take 135 minutes. convert this into hours and minutes.

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

Mr.walker is looking at the fundraiser totals for the last five years , how does the mean of the totals compare to the median?