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Answered 2011-10-12 18:17:20

The experimental probability of anything cannot be answered without doing it, because that is what experimental probability is - the probability that results from conducting an experiment, a posteri. This is different than theoretical probability, which can be computed a priori. For instance, the theoretical probability of rolling an even number is 3 in 6, or 1 in 2, or 0.5, but the experimental probability changes every time you run the experiment.

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Answered 2020-06-10 15:58:29

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Rolling an even number on a die?

Probability of rolling an even number on a die is 1/2.


What is the question of the problem if rolling a number cube labeled from 1 to 6 and the probability is one half?

There could be many questions: What is the probability of rolling an even number. What is the probability of rolling an odd number. What is the probability of rolling a number less than 4. What is the probability of rolling a number more than 3. What is the probability of rolling 1,4, or 6. Basically it could be any question about the probability of rolling half of the faces.


What is the probability of rolling an even number or prime number on a number cube?

The probability of rolling an even number on a die is 3 in 6 or 1 in 2. The probability of rolling a prime on a die is 3 in 6 or 1 in 2, but one of those primes is also even. Simply add the probabilities and you find that the probability of rolling an even number or a prime on a die is 5 in 6.


What is the probability of rolling a 2 on a die and then re-rolling the die and getting an even number?

The probability of rolling a 2 is 1 in 6. The probability of rolling an even number is 3 in 6. The probability of doing both, on two rolls, is 3 in 36, or 1 in 12.


What are chances of rolling an even number on a 6 sided dice?

The probability of rolling an even number is 1/2.



What is the probability of rolling an even number on a die?

Total numbers on a cube = 6Even numbers on a cube = 3Probability of rolling an even number on one fair cube = 3/6 = 50% .


What is the probability of rolling an even number with 3 dice?

With one roll of three dice, the probability is 7/8.


The probability of rolling an even number when number cube is rolled twice?

Because 3/6 of the sides on a number cube have even numbers, the probability of rolling even on one number cube is 1/2(equivalent of 3/6). But since you're rolling twice, you multiply the probability of one by itself (therefore rolling 2 number cubes). So: 1/2x1/2=1/4 The probability of rolling an even number when a number cube is rolled twice is 1/4, 25%, or 1 out of 4.


Find the probability of rolling a 2 on a number cube and then an even number on two consecutive rolls of a number cube?

1/6,3/6 ----------------------------------------------------------------------------------------------------- The probability of rolling a 2 is: P(2) = 1/6 The probability of rolling an even number is: P(even) = 1/2 The result on the second roll is independent of the result in the first roll. The probability of rolling a 2 and then rolling an even number is: P(2,even no.) = (1/6) ∙ (1/2) = 1/12 = 0.08333... ≈ 8.33%


What is the probability of rolling an even number on an eight-sided die?

Assuming that there are an equal number of even and odd faces on the eight-sided die, then the probability of rolling an even number is simply 4 in 8, or 1 in 2, or 0.5.


Suppose you roll one die find the probability of not rolling an even number?

Not even is odd. Odd is 1,3,& 5 which is 1/2 of the numbers on the die. Therefore the probability of not rolling an even number is 1/2 or 0.5.


How do you answer an experimental probability?

Experimental probability is not something that needs to be, or even can be, answered. There may be particular instances in which there are questions about experimental probability and they can only be answered in the context on which they arose.


What is the probability of rolling an even prime number with one roll of a die?

Since there is only one even prime, 2, the probability of rolling a 2 with one die is 1 in 6.


What is the probability of rolling an even number on a number cube labeled 1 through 6?

1/2 - you have a 50-50 chance of rolling an even number (or an odd number for that matter !)


Suppose you roll one die what is the probability of rolling an even number?

As there are an equal number of odd and even numbers on a single die, the odds of rolling an even number would be 50/50.


Rolling three dice what is the probability of rolling an odd number?

The probability that, when rolling three dice none will come up odd is broken down by the probability that on odd roll will occur as an independent event. Rolling the first die has a probability of 3/6 that it will be odd. Rolling the second has the probability of 3/6 that it will be odd. Rolling the third has a probability of 3/6 will be odd. Rolling three and coming up with odd is really the probability that no odd numbers occurred, so therefore an even number DID happen (3/6), and an even number DID happen (3/6), and an even number DID happen (3/6). That's really just 1 - (3/6^3) or simplified 1 - (1/2^3). So therefore the probability that an odd number occurred in 3 die rolls is about 87.5%.



What is the probability of rolling an even number on a standard 6 sided die?

A standard six-sided die has 3 even numbers and 3 odd ones, so the probability of rolling either an odd or even number would be 50-50.


What is the probability of rolling and even number on an ordinary dice?

your set of even number x = {2,4,6}, which tells you that 3 out the 6 sides are even. Your probability is 3/6 = 1/2


What is the probability of rolling a 4 or an even number on a number cube?

That depends on how many sides the cube has but if it was a 6 sided cube then the probability of getting a four is 1 to 6 and even is 3 to 6. Since 4 is even, then the result set of 4 intersect with the result set of even, so the probability of rolling a 4 or an even number is 1 in 2, or 0.5.




How do you find the probability of a number or another number?

To find the probability of something happening orsomething else happening, you add together the probability of each happening, and then subtract the probability of both happening.For instance, the probability of rolling greater than 4 on a dice is 1/3. You could roll 5 or 6. The probability of rolling an even number is 1/2. You could roll 2, 4 or 6. The probability of rolling greater than 4 or an even number is 1/3 + 1/2 - 1/6 which = 2/3


What is a probability of rollong an even number on a number diece?

A die has 6 sides with the numbers 1,2,3,4,5 and 6. Three of those numbers are even. So the probability of rolling an even number is 3 out of 6, or 1 out of 2.


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