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It is not 50/50, despite popular belief. Research by Stanford University students have found that the actual odds are more 51/49, depending on:
- The size of the coin.
- The exact area where the force exertion is concentrated upon.
- The force exerted to initiate the flip.
- Which way up the coin was to begin with.
- The height of the coint from the ground.
- Atmospheric pressure & any subsequent changes.
- Wind speed & any subsequent changes.
- The direction the coin is flipped in.
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What are the odds of getting heads if I toss a coin twice?
There are 4 possible outcomes, HH, HT, TH, TT. If we assume the odds of tossing heads or tails on any toss is 1/2 (50:50) the odds of tossing heads twice in a row is 1/4 (or 25%).
What are the odds of getting heads at least once if I toss a coin twice?
the only combination which does not produce heads at least once it tails twice. the odds of getting tails twice is 0.5*0.5=0.25 so the odds for getting heads at least once is 1-0.25=0.75 or 75% or 3/4.
What is the probablity that the sequence will be heads-heads-heads if you toss a coin 3 times?
the probability of getting heads-heads-heads if you toss a coin three times is 1 out of 9.
If you toss a coin four times how many possible outcomes are there?
24 or 16
Is the following true or false when you toss a coin 20 times you will always get 10 heads and 10 tails?
If this was true, you could simply toss the coin at least 40 times to know whether the statement is (or isn't) valid.
