There are 22 balls in a bag. This is is the probability distribution of their color:
How many purple balls were in the bag? | |
[1] | You flip a coin and roll a 4 sided die.
What is the probability of getting a 2 and a head? | |
[1] |
A bag has 8 balls with number 1 and 4 balls with a number 4. You take out 1 ball.
What is the probability of getting the ball with the number 1? | |
[1] | | You shoot an arrow at a target. You will either score 10 (10% chance), 40 (30% chance), or 60. What average score do you expect to get if you do this many times? | |
[1] |
Flip 3 coins.
What is the probability of getting 3 tails? | |
[1] | | A bag has 5 balls with number 1 and 6 balls with a number 9. What will be the average of the numbers of the balls taken out of the bag | |
[1] |
A wheel has 10 sections, each has a reward in dollars, from $1 through to $10.
What prize do we expect to get if we spin the wheel? | |
[1] | There are 60 balls in a bag. This is is the probability distribution of their color:
| | 0.6 | 0.3 | 0.1 | | yellow | blue | orange | | Color |
If you choose a random ball from the bag, what is the probability of it not being orange? | |
[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:
| | 0.05 | 0.25 | 0.15 | 0.55 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 1? | |
[1] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.7 | 0.3 | | pink | green | | Color |
Probability of Type
| | 1 | | | wagon | sedan | | Type |
What is the probability of a car being a green sedan? | |
[2] |
| You shoot an arrow at a target. There is a 10% chance of scoring a 10 and a 40% chance of scoring a 30 and a 50% chance of scoring a 60. 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:
| | 0.75 | 0.05 | 0.05 | 0.15 | | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 2 or smaller than 4? | |
[1] |
| You shoot an arrow at a target. There is a 60% chance of scoring a 30, a 30% 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] | There are 44 balls in a bag. This is is the probability distribution of their color:
How many pink balls were in the bag? | |
[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:
| | 0.15 | 0.05 | 0.1 | 0.7 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 1 or smaller than 2? | |
[1] | Roll 54 6-sided dice.
How many times would you expect to get more than or equal to 2? | |
[1] |
The chances of feeling like icecream are 60%. The chances of being near an icecream store are 90%. There is a 10% chance that you lost all your money.
What is the probability of having icecream? | |
[1] | Roll 2 6-sided dice.
What is the probability of getting 2 numbers that are more than 3? | |
[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:
| | 0.25 | 0.05 | 0.05 | 0.65 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is smaller than 2? | |
[1] |