Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.6 | 0.4 | | pink | blue | | Color |
Probability of Type
| | 1 | | wagon | sedan | | Type |
What is the probability of a car being a pink sedan? | |
[2] | There are 50 balls in a bag. This is is the probability distribution of their color:
| | 0.5 | | 0.5 | | purple | yellow | pink | | Color |
How many purple 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:
| | 0.7 | 0.05 | 0.2 | | 0.05 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 5 and smaller than 1? | |
[1] | | You shoot an arrow at a target. There is a 40% chance of scoring a 20 and a 20% chance of scoring a 30 and a 40% chance of scoring a 60. What average score do you expect to get if you do this many times? | |
[1] |
A bag has 5 red balls and 3 blue balls. You take out 1 red ball, then another ball.
What is the probability of getting blue for the second ball? | |
[1] | | You shoot an arrow at a target. There is a 10% chance of scoring a 20 and a 30% chance of scoring a 40 and a 60% chance of scoring a 60. What average score do you expect to get if you do this many times? | |
[1] |
A bag has 6 balls with numbers from 4 to 9. You take out 1 ball.
What is the probability of NOT getting the ball with the number 8? | |
[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:
| | 0.65 | 0.05 | 0.2 | 0.1 | | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 1? | |
[1] |
Roll 84 6-sided dice.
How many times would you expect to get less than or equal to 3? | |
[1] | There are 10 balls in a bag. This is is the probability distribution of their color:
| | 0.4 | 0.6 | | orange | blue | yellow | | Color |
How many yellow 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:
| | 0.45 | 0.25 | 0.2 | | 0.1 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number from 4 to 5? | |
[1] | Roll 24 6-sided dice.
How many times would you expect to get less than 2? | |
[1] |
Flip a coin 14 times.
Each time a Head comes up you win $4. It costs $28 to play (paid once). How much money would you expect to make altogether? | |
[1] | Roll 48 6-sided dice.
How many times would you expect to get an odd number? | |
[1] |
| You shoot an arrow at a target. There is a 50% chance of scoring a 10 and a 50% chance of scoring a 60. What average score do you expect to get if you do this many times? | |
[1] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.6 | 0.4 | | orange | purple | | Color |
Probability of Type
| | 0.2 | 0.8 | | wagon | sedan | | Type |
What is the probability of a car being a orange wagon? | |
[2] |
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 | 0.25 | 0.15 | 0.45 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is smaller than 3? | |
[1] | 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] |
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