Math and Arithmetic

Probability

Top Answer

With a fair die, you would expect it 60*(1/6) = 10 times.

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0You can expect to get a 5 about 15 times out of 90.

1/6 of 300 = 50 times.

the answer is the probability 6o =1/6 = 60%

the probability 6o =1/6 = 60%

pr(six) = 1/6 → expected 6s in 90 rolls = 1/6 × 90 = 15

You would expect it 0.3 of the times.

If you roll a die 100 times, you would expect to get a 1 about 17 times, because the probability of getting a 1 is 1 in 6, or 0.1667. However, that is theoretical probability; experimental probability - the actual results of doing this 100 times - might not be 17, but if you did this a large number of times, the experimental results would indeed begin to approach the theoretical results.

The answer depends on how many times a die is rolled and whether it is a fair die.For a single roll of a fair normal die, the answer is 2/3.The answer depends on how many times a die is rolled and whether it is a fair die.For a single roll of a fair normal die, the answer is 2/3.The answer depends on how many times a die is rolled and whether it is a fair die.For a single roll of a fair normal die, the answer is 2/3.The answer depends on how many times a die is rolled and whether it is a fair die.For a single roll of a fair normal die, the answer is 2/3.

If you were really unlucky, infinitely many times! The probability of that happening is very tiny but it is not zero.

The expected value if you roll a die three times is 3.5.

If the dice or die are 6 sided, then you would most likely roll a 6 13.33333 times, which rounds to 13.

16.66... % of the time - if the die is fair. And the percentage is not affected by the number of times you roll it.

The expected number of rolls under 3 is the number of rolls times the probability of rolling less than 3. So: E(rolls less than 3 out of 30) = 30 * 1/3 = 30/3 = 10

The probability of rolling a four on a single roll of a fair die is 1/6. So the expected number of 4s in 450 rolls is 450*1/6 = 75.

Total possible outcomes of one roll = 6Number of primes on the die = 3 (2, 3, and 5)Probability of a prime on each roll = 3/6 = 50% .So, in 300 rolls of a fair die, you would expect approximately 150 primes.

Roll the die a large number of times, recoding the outcome of each roll. If the die were fair you would expect to get each number a sixth of the time. You then test how well your results match these expectations. There are several statistical tests (the chi-square being the most powerful) which will do this.

Assuming a standard unbiased 6-sided die: The probability of 5 or 3 = 2/6 = 1/3 → The expectation when it is rolled 260 times is 260 × 1/3 = 86 2/3 → You would expect to see a 5 or 3 about 87 times when rolling a die 260 times

If you roll a fair six-sided die 1000 times the die would come up even about 500 times. It will not be exactly 500 times, due to random probability, but it will be close. The more times you roll it, the ratio of even to odd will come closer and closer to the theoretical probability of 0.5.

If a DIE (not dice) is rolled 90 times, the expected value of the sum of the first and second rolls is 7 if you assume that the die is fair. It does not matter how many times you roll the die, as long as it is at least 2.

3.33 is the probable chance of landing on any sides of a dies if you roll it 20 times.

That means that you should roll a die many times, count how often you get the number "2", then divide this by the total number of rolls. If the die is "fair" (no extra weight on one side), you would expect this experimental probability to be somewhere close to the theoretical probability of 1/6, at least, if you roll often enough.

The theoretical probability of rolling a 5 on a standard six sided die is one in six. It does not matter how many times you roll it, however, if you roll it 300 times, the theoretical probability is that you would roll a 5 fifty times.

Since a cube has 6 sides, you have a 4 in 6 chance of getting a number less than 5 each time you roll the dice. You would take how many times you want to roll it (360), divide it by the number of sides (6), and multiply it by 4 since you know you have a 4 in 6 chance. So it should be 240. This is strictly mathematical though and you should not consider it accurate since there are many variables when rolling it.

It depends on the number of sides and how many times you roll it.

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