source-gmat club test
Kate and David each have $ 10.Together they flip a coin 5 times.Every times the coin lands on heads, Kate gives David $1.Every time the coin lands on tails,David gives Kate $1.After the coin is flipped 5 times,what is the probability that Kate has more than $10 but less than $15.
[spoiler]Ans-15/32[/spoiler]
Kate and David each have $ 10.Together they flip a coin 5 times.Every times the coin lands on heads, Kate gives David $1.Every time the coin lands on tails,David gives Kate $1.After the coin is flipped 5 times,what is the probability that Kate has more than $10 but less than $15.
[spoiler]Ans-15/32[/spoiler]
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