Olympic athletes are tested to see if they are using illegal performance-enhancing drugs. suppose that urine samples are taken and analyzed and the rate of false positive results is 1%. suppose also that it is too expensive to refine the method to reduce the rate of false possible results. we do not want to accuse innocent people of using illegal drugs. what can you do to reduce the rate of false accusations even though the test always has a false positive rate of 1%. (select all that apply.)

Assume that a local bank sells two services, checking accounts and atm card services. the bank’s only two customers are mr. donethat and ms. beenthere. mr. donethat is willing to pay $8 a month for the bank to service his checking account and $2 a month for unlimited use of his atm card. ms. beenthere is willing to pay only $5 for a checking account, but is willing to pay $9 for unlimited use of her atm card. assume that the bank can provide each of these services at zero marginal cost.refer to scenario 17-5. if the bank is unable to use tying, what is the profit-maximizing price to charge for a checking account