The answer is 17 in 18, because flipping 5 heads in a row is evidence that the probability is high that we have the coin with two heads. Don
On Aug 7, 12:34 pm, Algo Lover <[email protected]> wrote: > A bag contains 5 coins. Four of them are fair and one has heads on > both sides. You randomly pulled one coin from the bag and tossed it 5 > times, heads turned up all five times. What is the probability that > you toss next time, heads turns up. (All this time you don't know you > were tossing a fair coin or not). -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
