Two fair dice are thrown. What is the probability that the sum of the numbers is 5?
Answer and explanation
Correct answer: B.
- Step 1: There are equally likely outcomes.
- Step 2: The pairs with sum 5 number 4, so .
Answer
.
Why not the others: : it uses the probability for a single value on one die. : an extra outcome is counted. : it divides by 12 instead of 36.
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