Question

Ariana has a bag of marbles with 4 blue marbles, 4 white marbles, and 3 red marbles.

Find the following probabilities of Ariana drawing the given marbles from the bag if the first marble(s)
is(are) not returned to the bag after they are drawn. (Give your answer as a reduced fraction)
a) A Blue, then a red =
b) A red, then a white =
c) A Blue, then a Blue, then a Blue =
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Answer 1

Step-by-step explanation:

P(BR)=4/10 *3/9=4/30

P(RW)=3/10* 4/9=2/15

P(BBB)=4/10 *3/9 * 2/8=1/30