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Posted: **Sun Oct 03, 2021 11:05 am**

: 39 A Coin Is Tossed Until It Lands Head Or Until It Has Been Tossed For Exactly Three Times If It Does Not Land Head 1 (12.03 KiB) Viewed 37 times

39. A coin is tossed until it lands head, or until it has been tossed for exactly three times. If it does not land head on the first time of toss, find the probability that this coin is tossed exactly three times.