SOLUTION: To play a game, one must bet $100 every time, and the probability of winning $100 is 1/2. Every day, a person plays uninterruptedly until he loses once. Then, he leaves the game.

Algebra ->  Permutations -> SOLUTION: To play a game, one must bet $100 every time, and the probability of winning $100 is 1/2. Every day, a person plays uninterruptedly until he loses once. Then, he leaves the game.       Log On


   

Question 360609: To play a game, one must bet $100 every time, and the probability of winning $100 is 1/2. Every day, a person plays uninterruptedly until he loses once. Then, he leaves the game.
a) Find the probability that he plays more than four times in one day.
b) Find the probability that one day he leaves the game having won $600
c) Calculate the expected winning per day
Thanks
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
a) .5^5=.0313
.
b) .5^6=.0156
.
c)100*.5 + (-100*.5) = 0
.
Ed