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30 maybe but i say 35 or 31

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Ugly Weeb

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Levi Nichols

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Q: If you flipped a coin 60 times how many times would you expect the coin to land on heads?
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If you flip a coin 150 times about how many times would you expect to get heads?

75


A coin is tossed 100 times how many times would you expect to get heads?

The probability of a heads is 1/2. The expected value of independent events is the number of runs times the probability of the desired result. So: 100*(1/2) = 50 heads


Suppose you toss a fair coin 75 times how many times would you expect to get heads?

A fair coin means that the probability of a head = probability of a tail = 1/2 So you would expect half the tosses to be heads, ie 1/2 x 75 = 371/2 heads. ...oooOOOooo... Having 1/2 a head doesn't seem possible, but when the question asks about expectation, it is saying: if you repeated the experiment lots of times, how often, on average, would the required result appear. So the expectation of heads when a fair coin is tossed 75 times is asking: if a fair coin was repeatedly tossed 75 times, what would be the (mean) average number of heads achieved? As more and more trials are done and the (mean) average of the number of heads got is taken, it will get closer and closer to 371/2 37 or 38 times. (Obviously, you can't have half of a time.) You will either get one or the other, and a fair coin means that either is just as likely. So, it should split evenly down the middle.


You roll a 6 faced die 90 times about how many times would you expect to get a 5?

You can expect to get a 5 about 15 times out of 90.


If you flip a a coin 20 times what is the probability that the coin will land on heads?

There is a fifty percent chance of the coin landing on "heads" each time it is flipped.However, flipping a coin 20 times virtually guarantees that it will land on "heads" at least once in that twenty times. (99.9999046325684 percent chance)You can see this by considering two coin flips. Here are the possibilities:Heads, heads.Heads, tails.Tails, tails.Tails, heads.You will note in the tossing of the coin twice that while each flip is fifty/fifty, that for the two flip series, there are three ways that it has heads come up at least once, and only one way in which heads does not come up.In other words, while it is a fifty percent chance for heads each time, it is a seventy five percent chance of seeing it be heads once if you are flipping twice.If you wish to know the odds of it not being heads in a twenty time flip, you would multiply .5 times .5 times .5...twenty times total. Or .5 to the twentieth power.That works out to a 99.9999046325684 percent chance of it coming up heads at least once in the twenty times of it being flipped.

Related questions

How many times would you expect the coin to land on heads if you flipped the coin 700 times?

Roughly half of the time, so about 350 times.


If you flipped a coin 150 times about how many times would you expect it to land on heads?

A fair coin would be expected to land on heads 75 times.


If you flipped a coin what would it be?

Heads or Tails


A coin is flipped three times what would the elements in the event of getting two heads be?

They are HHT HTH and THH


If you flip a coin 150 times about how many times would you expect to get heads?

75


If you flip a coin 20 times how many times would you expect it to land on heads?

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


Arnold flipped a coin twice and it landed heads up both times If he flips the coin again What is the probability the coin will land heads up?

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.


Is it theoretical or experimental probability if I flipped a coin eight times and got heads six times?

It is neither. If you repeated sets of 8 tosses and compared the number of times you got 6 heads as opposed to other outcomes, it would comprise proper experimental probability.


Has anyone ever flipped a coin 24 times and got all heads?

The probability of flipping a coin 24 times and getting all heads is less than 1 in 16 million. (.524) It would seem that no one has ever done that.


If you toss three coins 10000 times how many times would you expect that exactly 2 heads appear?

The expected number is 3750.


A coin is tossed 100 times how many times would you expect to get heads?

The probability of a heads is 1/2. The expected value of independent events is the number of runs times the probability of the desired result. So: 100*(1/2) = 50 heads


If you flipped two dimes at the same time what are the chances that each dime would come up heads?

2/4