Last school year, the student body of a local university consisted of 30% freshmen, 24% sophomores, 26% juniors, and 20% seniors. A random sample of 300 students taken from this year's student body showed the following number of students in each class.

Freshmen	83
Sophomores	68
Juniors	85
Seniors	64

We are interested in determining whether there has been a significant change in the distribution of class between the last school year and this school year. Refer to Exhibit 12-2. If the distribution is the same as the previous year, the expected number of freshmen is _____.

a. 10

b. 90

c. 30

d. 83