# Question: If all outcomes are equally likely find the probability that

If all outcomes are equally likely, find the probability that both stocks rise; that both stocks decline; that exactly one stock declines.

Base on The following situation: An investor holds two stocks, each of which can rise (R), remain unchanged (U), or decline (D) on any particular day.

Base on The following situation: An investor holds two stocks, each of which can rise (R), remain unchanged (U), or decline (D) on any particular day.

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