There are 3 coins. When you flip them, at least 2 will land the same way. Does that mean you have a 50% chance of throwing all the coins the same way and it all comes down to the last coin?


Coin FlipThere are 3 coins. When you flip them, at least 2 will land the same way. Does that mean you have a 50% chance of throwing all the coins the same way and it all comes down to the last coin? 3 guesses to Coin Flip 

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“When you flip them, at least 2 will land the same way” it’s obvious.. so doesn’t change anything.
the probability of three same landing is: 1/4
yes at least half
You’re right, Det.
For all you technicians out there: There would be a 12.5% chance of all three landing heads or all three landing tails, but for the sake of the above question, there is a 25% chance of all three landing one way or the other.
Statistically speaking, it’s a 50/50 probability that the first two will land the same way (two probabilities: both same/both different). So if they both land the same (we’ll say heads) then it’s a 50/50 proposition for the third coin to fall heads. 50% X 50% = 25%.
You’re today’s winner.