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Answered 2008-12-22 18:35:45

Possibly not - the sample of 60 times is very small.

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The possible outcomes of a coin that is flipped are heads or tails.


HeadsTailsTailsTailsHeadsTailsHeads


The probability that 2 flipped coins both come up heads is 0.52 or 0.25


suppose you flipped a coin 100 times you might have flipped heads 50 time and tails 50 times


The probability is always 50/50 even if you flipped 100 or 1000000 coins.


The answer depends on how many coins are flipped, and how often.


Generally, the larger the sample the more reliable the results. Example: If you flipped a coin twice and got heads both times you could say the coined is biased towards heads. However, if you repeat the experiment 100 times your results will be a lot more reliable.


Probability of not 8 heads = 1- Prob of 8 heads. Prob of 8 heads = 0.5^8 = 0.003906 Prob of not 8 heads= 1- 0.003906 = 0.99604


The sample space is HH, HT, TH, HH. Since the HH combination can occur once out of four times, the probability that if a coin is flipped twice the probability that both will be heads is 1/4 or 0.25.


The probability that a coin flipped four consecutive times will always land on heads is 1 in 16. Since the events are sequentially unrelated, take the probability of heads in 1 try, 0.5, and raise that to the power of 4... 1 in 24 = 1 in 16



The probability of heads is 0.6 and that of tails is 0.4. Since the probabilities are not 0.5, it is a biased coin. That is the answer!



50% Every time you flip a coin, there is a 50% chance it will come up heads and a 50% chance it will come up tails, no matter how many times you have already flipped it, and no matter what the results were of previous flips.



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


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.



The correct answer is 1/2. The first two flips do not affect the likelihood that the third flip will be heads (that is, the coin has no "memory" of the previous flips). If you flipped it 100 times and it came up heads each time, the probability of heads on the 101st try would still be 1/2. (Although, if you flipped it 100 times and it came up heads all 100 times - the odds of which are 2^100, or roughly 1 in 1,267,650,000,000,000,000,000,000,000,000 - you should begin to wonder about whether it's a fair coin!). If you were instead asking "What is the probability of flipping a coin three times and having it land on "heads" all three times, then the answer is 1/8.



Essentially, it is a calculation that tells you whether your experiment's data means anything. For example, if I were to flip a coin twice and see if i got heads or tails, I would get a low value, meaning my data was not reliable. However, if i flipped a coin 1,000 times, I would get a higher value, meaning my data was accurate. Significance is calculated using a T-test.


As a group, I count four. 3 heads 3 tails 2 heads, 1 tail 2 tails, 1 head


P(0 heads) = 1/16 P(1 head ) = 1/4 P(2 heads) = 6/16 = 3/8 P(3 heads) = 1/4 P(4 heads) = 1/16