AMZ Supergloves Co produces rubber gloves for export market. In one f the recent quality testing, 200 rubber gloves were subjected to 7,000 hours of testing. After 3,000 hours, 10 of the gloves tore apart. The remaining gloves remain intact until the 7,000th hours. a) Calculate the number of failure per unit year. b) If 2,000 rubber gloves are to be used by customers next year, how many units can we expect to fail?