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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?
 one year ago
 one year 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?
 one year ago
 one year ago

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sauravshakyaBest ResponseYou've already chosen the best response.0
P(R and B) = P(R) * P(B)
 one year ago

sauravshakyaBest ResponseYou've already chosen the best response.0
Can u find P(R) ?
 one year ago

thoconneryBest ResponseYou've already chosen the best response.0
uhh...i dont exactly know what P(R) is.
 one year ago

sauravshakyaBest ResponseYou've already chosen the best response.0
Probability of picking a red marble
 one year ago

sauravshakyaBest ResponseYou've already chosen the best response.0
Yes. Now find P(B)
 one year ago

sauravshakyaBest ResponseYou've already chosen the best response.0
Great Now, find P(R and B)
 one year ago

sauravshakyaBest ResponseYou've already chosen the best response.0
P(R and B) =P(R) * P(B) = 1/3 *4/15 =?
 one year ago

thoconneryBest ResponseYou've already chosen the best response.0
thank you so much!!
 one year ago
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