Scores of an IQ test have a bell-shaped distribution wtih a mean of 100 and a standard deviation of 17. Use the empirical rule to determine the following.(a) What percentage of people has an IQ score between 83 and 117?(b) What percentage of poeple has an IQ Score less than 49 or greater than 151?(c) What percentage of poeple has an IQ score greater than 117?