Probability

# What is the Probability that you toss a coin and it lands heads up?

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If it is a fair coin, the probability is 1/2.

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## Related Questions   The probability of a coin landing on heads is 0.5. It does not matter which toss it is, and it does not matter what the toss history was. the probability of getting heads-heads-heads if you toss a coin three times is 1 out of 9. The probability of flipping Heads on a coin is 1 - a certainty - if the coin is flipped often enough. On a single toss of a fair coin the probability is 1/2. No, when you toss a coin there is a 50 percent chance it will land heads up.  When you toss a coin and it lands on its edge. The probability is 0%. The result will be heads or it will be tails but it cannot be heads and tails. The probability is 0.5 regardless how many times you toss the coin."  50% or 1/2. There is 1 heads on a coin (numerator) There are 2 sides on a coin (denominator) If it is a fair coin, the probability is exactly 50%. The coin has no memory of what it did in the last flip. &#9632;  The probability that a coin will result in heads in any one toss is 1/2. If you toss the coin three times, the probability that the coin will turn up heads each time is 1/2 x 1/2 x 1/2 or 1/8, which is 12.5%. It is 100%. The coin will result in heads or tails since there are no other possible outcomes.  1/2 Because there is one side with heads (1/) and the total sides (/2)  the probability is actually not quite even. It would actually land heads 495 out of 1000 times because the heads side is slightly heavier  The answer depends on how many times the coin is tossed. The probability is zero if the coin is tossed only once! Making some assumptions and rewording your question as "If I toss a fair coin twice, what is the probability it comes up heads both times" then the probability of it being heads on any given toss is 0.5, and the probability of it being heads on both tosses is 0.5 x 0.5 = 0.25. If you toss it three times and want to know what the probability of it being heads exactly twice is, then the calculation is more complicated, but it comes out to 0.375.  Since there are 2 outcomes for a coin toss, and you will toss the coin 3 times the number of outcomes are 23 or 8. Since H-T-H can occur only 1 way, the probability of the H-T-H sequence is 1/8. The number of times a coin is tossed does not alter the probability of getting heads, which is 50% in every case, as long as the coin has not been rigged (i.e., a double-headed coin, a weighted coin) to alter the result.

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