Question

An art class consists of 8 boys and 10 girls. The teacher

randomly chooses 3 students to present their work. Find the
probability that all 3 of the students chosen are girls.

Answer 1

Answer: 14/285

Explanation:

B = 10

G = 8

T = 18

So its a 8/20 that 1 is a girl but then 2nd its 7/19 and 3rd 6/18 so

8/20 * 7/19 * 6/18 = 14/285