Bunuel wrote:
Bowl X has 4 cards in it, numbered 1 - 4. Bowl Y has 5 cards in it, numbered 5 - 9. What is the probability that the sum of a card pulled randomly from Bowl X and a card pulled randomly from Bowl Y will equal 8?
A. 1/20
B. 1/10
C. 3/20
D. 2/16
E. 3/16
The total number of combinations (of a card drawn from Bowl X and another from Bowl Y) is 4 x 5 = 20. Of these 20 combinations, the ones that yield a sum of 8 are: 1 and 7, 2 and 6, and 3 and 5.
Therefore, the probability of getting a sum of 8
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