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, B) Mean = 10.5, C) Mean = 19.5, D) Mean = 10.5,
Variance = 2.6 Variance = 2.6 Variance = 6.8 Variance = 6.8

Question

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, B)	Mean = 10.5, C)	Mean = 19.5, D)	Mean = 10.5,
Variance = 2.6 Variance = 2.6 Variance = 6.8 Variance = 6.8

anonymous · Answer

sorry it  didnt copy right

anonymous · Answer

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