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Answered 2009-08-07 21:49:41

the probability of getting heads-heads-heads if you toss a coin three times is 1 out of 9.

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the probablity of getting a head is 1/2 and 7 heads consecutively is (1/2)^7


Each independent trial has a 1/2 probability that a heads will result. So for a sequence of 4 heads you have 1/2 x 1/2 x 1/2 x 1/2 = 1/16


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.


5 outcomes if the sequence is ignored. 24 = 16 outcomes in all.


The probability of getting five heads out of 10 tosses is the same as the probablity of getting five tales out of ten tosses. One. It will happen. When this happens, you will get zero information. In other words, this is the expected result.



The answer depends on what you are looking for: the full sequence of results, the number of heads (or tails) the number of runs, the lengths of runs, or whatever.


One hundred percent it you toss the coin eight times.


The answer depends on what the random variable is: it could be the number of heads, it could be the length of the longest sequence of heads (or tails), it could be the longest alternating sequence, and many other events. Since the event has not been defined, it is not possible to give a sensible answer.



The probability is 0.5 regardless how many times you toss the coin."


The probability is 1. I have flipped a coin a lot more than 7 times.


1/8. The probability of flipping a coin three times and it landing on head is 1/2, as a coin only has two sides. You flip a coin three times, therefore the answer is (1/2)^3 = 1/8.


If a coin is tossed 15 times there are 215 or 32768 possible outcomes.


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


If you toss a fair coin 250 times , about how many times should it land on tails?


what u mean by a dirty coin is a coin that is dirty, dusty and sticky ( not most of the times it can be sticky).


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.



The probability of flipping a coin 3 times and getting 3 heads is 1/2


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



28 times out of 50 as a percent is achieved thus (28/50)*100 = 56% (The coin would appear to be biased by the way).





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