The average credit score in Canada is 650. Assume that credit scores follow a normal distribution with a standard deviation of 80. (a) Find the 90th percentile of credit scores in Canada. (Round your answer to the nearest integer.) Answer: (b) 75% of Canadians have a credit score higher than what value? (Round your answer to the nearest integer.) Answer: (c) Mac's credit score is 760. In what percentile is his credit score?(Round your answer to the nearest integer.) Answe