To evaluate the quality of their product, a manufactuer of cell phones checks every 50th phone off the assembly line. out of 200 phone tesred 4 are defective. the manager concludes that about 2% of cell phones produced will e defective.

Planning for the possibility that your home might get struck by lighting and catch on fire is part of a plan

If x = -2, then x 2-7x+10 equals a. 0 b.20 c.28

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