SOLUTION: A small box contains 20 marbles, eight of which are green, seven are red and five are blue. If you reach in to grab three marbles, one at a time and do not replace them, what is th
Algebra.Com
Question 356666: A small box contains 20 marbles, eight of which are green, seven are red and five are blue. If you reach in to grab three marbles, one at a time and do not replace them, what is the probability that each marble will be blue? Report 5 decimal places in your answer.
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
8 Green
7 Red
5 Blue
20 Total
.
.
.
P(1st Blue)=
P(2nd Blue)=
P(3rd Blue)=
P(3 Blues)=
RELATED QUESTIONS
A small box contains 20 marbles, eight of which are green, seven are red and five are... (answered by Alan3354)
A box of 140 marbles contains only red, green, and blue marbles. There are three times as (answered by stanbon)
A bag contains eight black marbles, seven blue marbles,
and ten green marbles. If three... (answered by Edwin McCravy)
A box contains 4 red and 8 green marbles. You reach in and remove 3 marbles all at once.... (answered by stanbon)
An urn contains ten marbles, of which five are green, two are blue, and three are red.... (answered by galactus)
A box contains 15 marbles. Five of the marbles are blue, six are green, and four are red. (answered by fractalier)
A certain jar consists of seven green marbles, five black and four red marbles. If... (answered by stanbon)
A box contains 15 marbles. Five of the marbles are blue, six are green, and four are red. (answered by fractalier)
A box contains 9 green marbles, 9 blue marbles, and 5 red marbles.
Three marbles are... (answered by VFBundy)