Math and Arithmetic
Statistics
Probability

If you toss a coin 48 times how many times is it likely to land tails up?

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2010-03-30 20:09:16
2010-03-30 20:09:16

There are two answers to this question. If it can only land on heads or tails up, then there is a 50% chance ( or half a chance) it will land heads up, but that's not necessarily true. But, if it can land on heads, tails, or sides, then there is a 16% chance it will land tails up.

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The probability of tossing a coin twice and getting tails both times is 1 in 4, or 25%. If you have already tossed a coin and had it land on tails, the probability that it will land on tails again the next time you toss it is 50%.


The odds that a tossed coin will land tails side down remain one in two no matter how many times the coin has previously been tossed.


50% probablility, or 1/2, that is, a one in two chance.There is an equal chance that the coin will land either heads or tails.


Around 125, assuming it isn't rigged! -Andrew D.


The chances are always the same:1/2. Sp it really depends on your luck, because if you flip a coin 100 times, it doesn't necessarily mean that tails will come up 50 times. According to the Law of Large Numbers, as the number of times you flip a fair coin approaches infinity, the proportion of tails will approach 0.5 (as will that of heads).


30 times because it landed on heads 20 times, but he flipped the coin 50 times. 20+30=50.


The law of numbers is based on the actual outcome of any given event when randomness is eliminated. The law of numbers simply put, states that the result will always be the result. It is different than the outdated concepts of averages or probability because it is not a guess. A good example is flipping a coin. Probability is 50/50 that the coin will land on heads or tails. If the coin is flipped 10 times, users of averages or probability will say that the coin will land on heads 5 times and tails 5 times. After flipping the coin 10 times it landed on heads 6 times and tails 4 times. The law of numbers states the coin will land on heads 6 times and on tails 4 times.The law of numbers goes into physics and psychology and is based on the idea that nothing is random. The results of flipping a coin are based on the way the coin was held, the amount of force applied to the coin, the height the coin was above the ground, and the environmental factors surrounding the coin as it turns through the air. If all factors are identical, the result will be identical. The coin will land on heads 10 out of 10 times. These factors are not easily controlled and were dismissed as random or probability. The law of numbers corrects for these factors.


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Since it is a certainty that a coin must land on either heads or tails, the probability must be 1.


there is a 1/2 chance that it will land on heads and 1/2 chance it will land on tails. it dosent matter what the stats are


Because a coin is two-sided, 50/50 is always the probability. Unless your coin lands on the grass (on the lawn), then it will probably land on its edge.


Heads - ½ Tails - ½ There are two reasonable outcomes of flipping a coin. You could get heads or tails. Some might argue that the third outcome is that the coin will land on the edge.


For 4 coin tosses, there are 16 possible outcomes. Tails on 75% of 4 tosses is 3 times tails, and 1 time heads. This occurs in 4 of those 16 possibilities, so the probability is 4/16 = 1/4 (or 25%). But if the question is 'what is the probability that it's tails at least 75% of the time, then you have to add in the 1 where all 4 are tails, then you have 5/16 (or 31.25%).


No there is a fifty fifty chance of getting heads or tails


each time you flip the coin, probability to end on either side is 50% (or 0.5) (we disregard landing on the side). So, to land on the same side 7 times, it is: 0.5^7


It is possible. It is certain with a double headed coin. With a fair coin the event has a probability of 1 in 1048576 or approximately 1 in a million.


50/50. There are two sides (heads and tails), so half of the time it will land on heads. 49.5% or something like that because the coin can land on heads, tails, or on its edge. but the likelihood is like a fraction of a percent, but it is possible


No. There are 2 sides of the coin, so it's a 50 50 chance. There is an equal oppurtunity for it to land on heads or tails.


A fair coin would be expected to land on heads 10 times on average.


Zero. Since coins land on Heads or Tails and not numbers.


there is even chance of having heads or tails since there is only 1 head and 1 tail on a penny.



The probability that the coin will land on heads each time is 1/2. (1/2) to the tenth power is 1/1024. This is the probability that the coin will not land on heads. Subtract it from one to get the probability that it will : 1-(1/1024)There is a 1023/1024 or about 99.90234% chance that the coin will land on heads at least once.(There is a 1/1024 chance that the coin will land on heads all four times.)


Probably on the floor at least once.It's possible for the results to be anything between 50 heads and 50 tails.The most probable result ... if the coin is honest, fair, and balanced, like Fox News #@%$&#*&@ ...is 25 heads and 25 tails.There is no way to predict exactly what the result will be. If it were possible to know in advance,then coin-tosses could not be used to gamble or to decide the answer to a question.



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