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thoconnery
 2 years ago
a bag has 5 red marbles, 6 blue marbles and 4 black marbles. What is the probability of picking a red marble, replacing it, and then picking a black marble?
thoconnery
 2 years ago
a bag has 5 red marbles, 6 blue marbles and 4 black marbles. What is the probability of picking a red marble, replacing it, and then picking a black marble?

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sauravshakya
 2 years ago
Best ResponseYou've already chosen the best response.0P(R and B) = P(R) * P(B)

thoconnery
 2 years ago
Best ResponseYou've already chosen the best response.0uhh...i dont exactly know what P(R) is.

sauravshakya
 2 years ago
Best ResponseYou've already chosen the best response.0Probability of picking a red marble

sauravshakya
 2 years ago
Best ResponseYou've already chosen the best response.0Yes. Now find P(B)

sauravshakya
 2 years ago
Best ResponseYou've already chosen the best response.0Great Now, find P(R and B)

sauravshakya
 2 years ago
Best ResponseYou've already chosen the best response.0P(R and B) =P(R) * P(B) = 1/3 *4/15 =?
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