Question
Casey rolls a standard fair 6-sided die, and the cumulative sum is tracked. It's known that the cumulative sum hits $4$, and she immediately stops rolling. Find the probability that the last value she rolls is a $2$.
medium Probability
Last Value Two
A release-checked medium problem for training Conditional Probability.
Practice focus
This Probability problem is tagged Conditional Probability. State the random variables and conditioning information explicitly, then check the result against boundary cases before opening hints or a solution.
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