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Animal and Plant Cells

Question 15 • S1S: Biology A (E4403 - AG)

A bag contains 4 red, 3 yellow, 3 blue, and 2 white marbles, for a total of 12 marbles. If Lucia randomly picks two marbles from the bag without putting the first marble back, what is the probability that the first marble is red and the second is white?

Answer
A
2/144
B
3/144
C
2/33
D
2/12

Explanation

The probability of picking a red marble first is 4/12. After that, 11 marbles remain, including 2 white marbles, so the probability of picking white second is 2/11. Multiply the probabilities: (4/12) × (2/11) = 8/132 = 2/33. Therefore, the probability is 2/33, choice C.

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