Roll 78 6-sided dice.
How many times would you expect to get an odd number? | |
[1] | | A bag has 8 balls with number 1 and 9 balls with a number 7. What will be the average of the numbers of the balls taken out of the bag | |
[1] |
There are 50 balls in a bag. This is is the probability distribution of their color:
If you choose a random ball from the bag, what is the probability of it being red? | |
[1] | | You shoot an arrow at a target. There is a 60% chance of scoring a 10, a 20% chance of scoring a 60, or you might miss completely and score 0. What average score do you expect to get if you do this many times? | |
[1] |
Flip 1 coin.
What is the probability of getting a tail? | |
[1] | A group of boys were timed running 100m. Here are the results:
What fraction of the boys run 100m in exactly 16s?
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[2] |
An obstacle course has 1 Fences and 2 Ditches. You have a 80% chance of clearing a Fence and a 50% chance of clearing a Ditch.
What is the probability of having a perfect run (clearing everything)? | |
[1] | A wheel has 13 sections, each a number on it from 1 to 13. If you spin an odd number you win that amount of dollars, if you spin an even number you lose.
What prize do we expect to get if we spin the wheel? | |
[1] |
A Crazy Die has 5 sides, but each side has a different probability of being rolled. This is is the probability distribution of the sides being rolled:
What is the probability of rolling a number that is smaller than or equal to 3? | |
[1] | We asked a group of boys how many Popsicles they eat in a week. Here are the results:
What fraction of the boys eat less than 1 Popsicles in a week? | |
[2] |
A wheel has 7 pink sections and 7 red sections.
What is the probability of getting red? | |
[1] | | You shoot an arrow at a target. You will either score 10 (20% chance), 30 (10% chance), or 50. What average score do you expect to get if you do this many times? | |
[1] |
A Crazy Die has 5 sides, but each side has a different probability of being rolled. This is is the probability distribution of the sides being rolled:
What is the probability of rolling a 1? | |
[1] | A bag has 2 balls with numbers from 1 to 2. You take out 1 ball.
What is the probability of NOT getting the ball with the number 0? | |
[1] |
A bag has 3 balls with number 8 and 7 balls with a number 6. You take out 1 ball.
What is the probability of getting the ball with the number 6? | |
[1] | We asked a group of dogs how many Apples they eat in a month. Here are the results:
What is the probability of the dogs to eat more than 4 Apples in a month? | |
[2] |
Roll 6 6-sided dice.
How many times would you expect to get anything except 5? | |
[1] |