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To calculate the probability of rolling an odd number on a die, you have a 3 out of 6 chance, as there are 3 odd numbers out of 6 sides. The probability of getting heads when tossing a coin is 1 out of 2. To find the probability of rolling an odd number OR getting a heads, you add the individual probabilities and subtract the overlap (rolling a 3, 5, or getting heads), resulting in a probability of 4 out of 6 or 2 out of 3.

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ProfBot

2mo ago

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Rolling an even number on a die?

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


When rolling five dice what is the probability that all 5 dice will be the same number?

The probability of rolling the same number on five dice is (1/6)4, or about 0.0007716.


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 the same number when three number cubes are rolled?

The first roll doesn't matter for probability, it just sets the number to be rolled by the other two. So: P(rolling the same number three times) = P(rolling a particular number)2 = (1/6)2 = 1/36


What is the experimental probability of rolling an even number?

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.

Related Questions

What is the probability of rolling an even number and a head when rolling a die and then tossing a coin?

-3/12


You are tossing a coin and throwing a die What is the probability of tossing head or tail and throwing a number greater than 4?

Firstly, the probability when tossing a coin and getting a head or tail is 1/2, then rolling a die, there are 6 sides so the chance of rolling any number is 1/6, there are 2 chances of rolling greater than 4 ie 5 and 6, so the probability of rolling a 5 or 6 in 1/3, as these are independent events you multiply the probability getting a heads of tails, (1/2) by the probability of rolling a five or six, (1/3) which gives you 1/6 or 0.1666 recurring.


What is the probability of rolling an odd number and a head when rolling a die and then tossing a coin?

The probability of a head is 1/2. The probability of an odd number is 1/2. 1/2 x 1/2 = 1/4 or 0.25


When tossing 2 dice what is the probability of tossing a prime number?

There are 36 possibilities when rolling two six sided die. 15 of them result in a prime number (2,3,5,7,11) So the probability is 15 in 36 or a 5 in 12 chance.


What is the probability of rolling a number less than 5 and a head when rolling a die and then tossing a coin?

The probability of rolling a number less than 5; which is a 4, 3, 2, or 1 is 4/6 or 2/3. The probability of tossing a head is 1/2. So, the probability of a roll less than 5 and a head is 2/3*1/2 or 1/3 or 0.333. 4/12


What is the probability of getting a even number and a head when rolling a die and then tossing a coin?

A die has six sides, so the probability of rolling an even number is 1 in 2, or 50-50. A coin has two sides, so the probability of flipping the coin and getting heads is 1 in 2, or 50-50. The probability that both will happen together is the one in two OF one in two, or one in FOUR chance that both will happen. So, the probability is 25%.


What is the probability of tossing a number cube labeled 2-7 and getting a prime number?

It is 2/3.


What's the probability of tossing a 6-sided die three times and getting an even number all three times?

Each time you toss the die the probability of rolling an even number is 3 out of 6 or 1/2. So, the probability of tossing three consecutive even numbers is (1/2)3 = 1/8 = 0.125, which is one chance in eight.


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 is the probability of landing on an even number when tossing an 8 sided die and tossing a coin and getting heads?

1/2 * 1/2 = 1/4 1/2= probability of landing an even number 1/2 = probability of landing a heads


When rolling 2dice what is the probability of getting an even number?

It is 1/2.


What is the probability getting a thirteen by rolling two number cubes?

impossible