1 an experiment begins with four female mice and two male mi

1. an experiment begins with four female mice and two male mice in the same cage. one mouse is randomly selected each day for two days and put in a seperarate cage.

b. if chosing two mice, find the probability that at least one mouse is female.

Solution

b)

at least 1 female = 4C1 * 2C1 / (6C2) + 4C2 * 2C0 / 6C2

at least 1 female =0.53 + 0.4 = 0.93