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Sum

A game consists of tossing a coin 3 times and noting the outcome each time. If getting the same result in all the tosses is a success, find the probability of losing the game.

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#### Solution

Possible outcomes of tossing a coin three times will be

{HHH, TTT, HHT, HTH, THH, TTH, THT, HTT} = 8

Getting the same result in all tosses is a success.

We need to find the probability of losing the game that means not the same result in all tosses

Favourable outcomes are {HHT, HTH, THH, TTH, THT, HTT} = 6

Probability of losing a game = `(6)/(8) = (3)/(4)`

Therefore, the probability of losing a game is `(3)/(4)`.

Concept: Basic Ideas of Probability

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