A bag contains 15 marbles. The probability of randomly selecting a green marble is 3. The probability of randomly selecting a green marble, replacing it, and then randomly selecting a red marble is 15. What is the probability of
randomly selecting a red marble?
1/45
1/5
4/15
2/5

Step-by-step explanation:

if the green marble is probably rare the red marble should have a probability of 1/45

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t = 3

step-by-step explanation:

put t = 3 in this expression :

(3²-1)(3²-2)(3² - 3)(3² - 4) = 8×7×6×5 = 56×30 = 1680

answer: it's d

step-by-step explanation: