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Omni-MATH / A particular coin has a (1)/(3) chance of landing on heads (H), (1)/(3) chance of landing on tails (T), and (1)/(3) chance of landing vertically in the middle (M). When continuousl…

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problem

A particular coin has a 13\frac{1}{3} chance of landing on heads (H), 13\frac{1}{3} chance of landing on tails (T), and 13\frac{1}{3} chance of landing vertically in the middle (M). When continuously flipping this coin, what is the probability of observing the continuous sequence HMMT before HMT?
Plain-text mathematical notation (without MathML)
A particular coin has a (1)/(3) chance of landing on heads (H), (1)/(3) chance of landing on tails (T), and (1)/(3) chance of landing vertically in the middle (M). When continuously flipping this coin, what is the probability of observing the continuous sequence HMMT before HMT?
Original LaTeX notation
A particular coin has a $\frac{1}{3}$ chance of landing on heads (H), $\frac{1}{3}$ chance of landing on tails (T), and $\frac{1}{3}$ chance of landing vertically in the middle (M). When continuously flipping this coin, what is the probability of observing the continuous sequence HMMT before HMT?

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