Question

Three balls are selected at random without replacement from an urn containing two white balls and four blue balls. Find the probability of the given event. All of the balls are blue.

Answer 1

Answer:

P(3 blue) = 1/5

Steps:

P(3 blue) = 2/3 × 3/5 × 1/2

P(3 blue) = 6/30

P(3 blue) = 1/5

that's 20%