Consider a biased coin game with a 70% chance of getting heads. The game ends once someone flips heads. Determine the suitable probability distribution and find the probability that the game ends on the 5th flip. In other words, the 5th flip is the first head found.
Added by Belen G.
Step 1
The probability of getting head on the nth flip is given by: P(X=n) = (1-p)^(n-1) * p where p is the probability of getting head (0.7 in this case) and X is the number of flips until the first head is found. Show more…
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