A university has 10,000 students of which 35% are male and 65% are female. If a class of 30 students is chosen at random from the university population, find the mean and variance of the number of male students.
A) Mean = 19.5, Variance = 2.6
B) Mean = 10.5, Variance = 2.6
C) Mean = 19.5, Variance = 6.8
D) Mean = 10.5, Variance = 6.8