Question

A man has time to play roulette at most nine times. At each play he wins...

A man has time to play roulette at most nine times. At each play he wins or loses a dollar.
The man begins with one dollar and will stop playing before the nine times if he loses all his
money or if he wins seven dollars, i.e. if he has eight dollars. Find the number of ways that the
betting can occur.

Math   Statistics-And-Probability   
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Therefore maximum 25 number of times the betting can occur.

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