SOLUTION: Three boxess contain marbles,
first box, 3 red and 5 blue.
second box, 2 red and 4 yellow.
third box, 4 red and 2 blue.
a) Find the probability that a person selected a red ma
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-> SOLUTION: Three boxess contain marbles,
first box, 3 red and 5 blue.
second box, 2 red and 4 yellow.
third box, 4 red and 2 blue.
a) Find the probability that a person selected a red ma
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Question 369966: Three boxess contain marbles,
first box, 3 red and 5 blue.
second box, 2 red and 4 yellow.
third box, 4 red and 2 blue.
a) Find the probability that a person selected a red marble.
b) Find the probability that a person selected a red marble, given that the person did not select the third box.
Thank you for your time and help. I really appreciate it. Answer by robertb(5830) (Show Source):
You can put this solution on YOUR website! (a) P(red) = P(red AND b1) + P(red AND b2) + P(red AND b3)
=P(red|b1)*P(b1) + P(red|b2)*P(b2)+P(red|b3)*P(b3)
=, assuming each box is equally likely to be chosen.
(b) P(red|~b3) =
