SOLUTION: There are red, blue and green marbles in a bag. The probability of randomly choosing a blue marble is .3 and the probability of randomly choosing a blue or red marble is .7. If the
Algebra.Com
Question 436623: There are red, blue and green marbles in a bag. The probability of randomly choosing a blue marble is .3 and the probability of randomly choosing a blue or red marble is .7. If there is a total of 20 marbles how many marble of each color are in the bag?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
There are red, blue and green marbles in a bag. The probability of randomly choosing a blue marble is .3 and the probability of randomly choosing a blue or red marble is .7. If there is a total of 20 marbles how many marble of each color are in the bag?
----
Solve:
red/20 = 0.3
red = 0.3*20
red = 6
-----
Solve:
blue/20 = 0.7
blue = 20*.07
blue = 14
==========================
Cheers,
Stan H.
---------------
RELATED QUESTIONS
There are 3 red, 1 blue and 2 green marbles in a bag. A marble is randomly drawn from the (answered by ikleyn)
What is the theoretic probability of randomly choosing a blue marble from a bag of 5 blue (answered by Theo)
A bag contains 4 red marbles, 2 blue marbles, and 7 green marbles. What is the probabilty (answered by longjonsilver)
A bag contains 5 red marbles, 6 green marbles, and 9 blue marbles. Suppose 3 marbles are... (answered by robertb)
a jar contains 6 red marbles. 5 blue marbles, and 9 green marbles. what is the... (answered by checkley79)
a jar contains 6 red marbles. 5 blue marbles, and 9 green marbles. what is the... (answered by ikleyn)
There are 18 blue marbles, 10 red marbles, and 33 green marbles in a bag. A marble is... (answered by tiannababycakes)
There are 10 marbles in a bag, 5 are yellow 2 are blue and 3 are green what is the... (answered by stanbon)
A bag has 2 blue marbles, 3 red marbles, and 5 white marbles. Which events have a... (answered by Boreal,ikleyn)