41.5k views
2 votes
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 =
Submit Question

User Harkonnen
by
6.6k points

1 Answer

2 votes

Answer:

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

User Rebbeca
by
6.4k points