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If it is a fair coin, the probability of getting at least one Head from 3 flips is 7/8

If it is a fair coin, the probability of getting at least one Head from 3 flips is 7/8

If it is a fair coin, the probability of getting at least one Head from 3 flips is 7/8

If it is a fair coin, the probability of getting at least one Head from 3 flips is 7/8

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โˆ™ 2014-08-21 06:00:47
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โˆ™ 2014-08-21 06:00:47

If it is a fair coin, the probability of getting at least one Head from 3 flips is 7/8

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Q: What is the probability of flipping a head when you roll a coin 3 times?
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When flipping a coin 2 time What is probability that you will get 2 head?

If the coin is fair, the probability is 1/4.


What is the probability of flipping a coin three times and it landing on heads all three 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 you flip a coin 100 times and heads show 40 times what are the odds for flipping head?

50/50 50/50? This is equal to 1 which would imply the probability of flipping a head is certain. Obviously not correct as the probability of flipping a head in a fair dice is 1/2 or 0.5


A fair coin is flipped 4 times what is the probability of getting more than 3 heads?

The probability of flipping a fair coin four times and getting four heads is 1 in 16, or 0.0625. That is simply the probability of one head (0.5) raised to the power of 4.


What is the probability of getting one head when flipping a coin three times?

The probability is 3/8.The probability is 3/8.The probability is 3/8.The probability is 3/8.


What is the probability of flipping a coin twice and getting head on the first flip?

The probability is 1/2 because the second outcome has no affect on the first outcome.


What is the probability of flipping 91 coins and getting a head 91 times in a row?

The probability of flipping 91 coins and getting a head 91 times in a row is 1/291 or (1/2)91 or 4.039E-28. The (1/2)91 is when there is exactly 91 coin tosses or n = 91. As the number of trials increases so does the probability of at least 1 run of length 91. The average number of coin flips to see 91 in a row is 4.951760157141521e+27


An experiment consists of flipping a coin and then rolling a die What is the probability of observing a head on the coin or a 3 on the die?

The probability of flipping a Head is the same as that for a Tail and is 1/2 or 50%. The probability of rolling a particular number on a die is 1/6 since there are 6 numbers. Combining these two probabilities (by multiplication) we have, as the combined probability 1/2 x 1/6 = 1/12 = 0.0833333333333333(the 3 recurs) which as a percentage is 8.33333333333%


A coin is tossed 10 times. What is the probability of getting at least one head?

Assuming that it is a fair coin, the probability is 0.9990


What is the probability of rolling a 3 and flipping a head?

probability of rolling a 3 = 1/6 probability of flipping a head = 1/2 therefore, overall = 1/12


What is the probability of flipping four coin's to get a head?

The probability of NOT getting heads is (1/2)4=1/16 Therefore the probability of getting heads is 1-1/16=15/16


When a coin is tossed 500 times you get head 285 times what is the probability of getting head?

285 out of 500


What is the probability of tossing a coin 9 times and getting at least one head?

The probability is 0.998


How do you figure out the probability of 2 separate events For instance what is the probability of flipping a coin to heads and rolling a 5 on a dice?

You take the probability of each event and multiply them. In the case of the given example, your odds or flipping a head and rolling a 5 would be 1/2 * 1/6, which equals 1/12.


What is the probability of getting three tails and a head when a coin is tossed four times?

The probability is 1/4


What is the probability of getting two head and one tail if a coin is tossed 3 times?

the probability of getting one head and one tail on three flips of a coin is 1/9


If you toss a coin 1000 times and find that it comes up head 532 times what is the probability of getting a tail?

The probability is still 50%


You toss a fair coin 5 times and get 5 consecutive heads. What is the probability of tossing a head on the next toss?

If it is a fair coin, the probability is exactly 50%. The coin has no memory of what it did in the last flip. ■


Why is it called experimental probability?

It's difficult to think of a real event to which an exact probability can be assigned. We say that flipping a coin yields 'heads' with probability 1/2 but we do not know that definitely. The only way of assigning a probability in the sense of numbers of heads versus total numbers of flips is by experiment. (Be aware though that there are other interpretations of the word probability.) If I were to flip a coin 500 times and obtained 249 heads then the experimental probability of obtaining a head would be 249/500 or 0.498.


What is the probability of obtaining at least one head when a coin is flipped four times?

The probability of obtaining 4 tails when a coin is flipped 4 times is: P(4T) = (1/2)4 = 1/16 = 0.0625 Then, the probability of obtaining at least 1 head when a coin is flipped 4 times is: P(at least 1 head) = 1 - 1/16 = 15/16 = 0.9375


What is the probability of winning by getting more heads when flipping a coin once or flipping a coin twice?

Your question is a bit difficult to understand. I will rephrase it as follows: What is the probability of getting a head if a coin is flipped once? p = 0.5 What is the probability of getting 2 heads if a coin is flipped twice = The possible events are HT, TH, HH, TT amd all are equally likely. So the probability of HH is 0.25. What is the probability of getting at least on head if the coin is flipped twice. Of the possible events listed above, HT, TH and HH would satisfy the condition of one or more heads, so the probability is 3 x 0.25 = 0.75 or 3/4. Also, since the probability of TT is 0.25, and the probability of all events must sum to 1, then we calculate the probability of one or more heads to be 1-0.25 = 0.75


What is an example of theoretical probability?

The probability that a flipped coin has a probability of 0.5 is theoretical in that it assumes the existence of a perfect coin. The same can be said of the probabilities of the spots appearing on a single tossed die which requires the existence of a perfect die. Here's an example. Consider tossing a coin twice to see what comes up. It could be tail, head, or head tail, or tail, tail or head, head. The theoretical probability of two heads is one in four. In general, theoretical probability is the ratio of the number of times a possible outcome can occur in a given event to the number of times that event occurs.


What is the probability of tossing a coin and getting a head?

The probability of tossing a coin and getting heads is 0.5


What is decrease of probability?

the probability of gatting a head from a normal coin is


Karina tossed a coin 10 times and got heads every time what is the probability she will get heads on the next toss?

Coin tosses are independent events. The probability of a head remains 1/2