According to the National Center for Health Statistics, the common cold occurs at the rate of 23.6 colds per 100 people during the course of a year in the 18- to 24-year-old age group. Let the random variable X represent the number of 18- to 24-year-olds out of a sample of 500 who have had a common cold in the past year.

(a) What is the expected number of colds for every 500 18- to 24-year-olds?