An automobile insurance company divides customers into three categories: good risks, medium risks, and poor risks. Assume that a total of 11,102 customers, 7732 are good risks, 2421 are medium risks, and 949 are poor risks. As part of an audit, one customer is chosen at random. Round your answer to four decimal places if necessary. a) The probability that the customer is a good risk is?
b) The probability that the customer is not a poor risk is?