A Computer Store Has 50 Printers of Which 40 Are

Multiple Choice

A computer store has 50 printers of which 40 are laser printers and 10 are ink jet printers. If a group of 10 printers is chosen at random from the store, find the mean and variance of the number of ink jet
Printers.

A) Mean = 2, Variance = 0.2
B) Mean = 2, Variance = 3
C) Mean = 1, Variance = 0.2
D) Mean = 2, Variance = 1.6