AurorahStone AurorahStone

02-03-2017
Mathematics

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[NEED AN ANSWER NOW] A bag contains 15 marbles. The probability of randomly selecting a green marble is 1\3. The probability of randomly selecting a green marble, replacing it, and then randomly selecting a red marble is 1/15. What is the probability of randomly selecting a red marble?

1\45
1\5
4\15
2/5

Respuesta :

Аноним Аноним

02-03-2017

2/5 is the answer good luck

Answer Link

Аноним Аноним

02-03-2017

first find the common denominator which is 15:
1/3 ×5= 5/15
then subtract that fron 1/15 which is 4/15
i could be wrong , so check with your teacher

Answer Link

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