Help please: A tennis player wins a match 55% of the time when she serves first and 47% of the time when her opponent serves first. The player who serves first is determined by a coin toss before the match. What is the probability that the player wins a given match?

Question

ammarah · Answer

@rational

rational · Answer

lets prepare the probability tree first

rational · Answer

before starting the match, who serves first is decided by tossing a coin right ?

rational · Answer

when u toss a coin,  whats the probability for getting what u want ?

ammarah · Answer

.5

rational · Answer

yes, start ur tree at that

ammarah · Answer

i kinda did already can u show me how u did it?

rational · Answer

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