A group of girls did a math test and here are their scores out of 5:
What fraction of the girls score exactly 2? | |
[2] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.8 | 0.2 | | purple | red | | Color |
Probability of Type
| | 1 | | sedan | wagon | | Type |
What is the probability of a car being a purple sedan? | |
[2] |
Roll 4 6-sided dice.
What is the probability of getting 4 numbers that are odd? | |
[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] |
A bag has 2 balls with numbers from 3 to 4. You take out 1 ball.
What is the probability of getting the ball with the number 3? | |
[1] | There are 20 balls in a bag. This is is the probability distribution of their color:
| | 0.4 | 0.1 | 0.5 | | orange | purple | blue | | 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:
| | 0.5 | 0.05 | 0.2 | 0.25 | | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 4? | |
[1] | | You shoot an arrow at a target. There is a 60% chance of scoring a 20, 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] |
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 2? | |
[1] | A group of boys were timed running 100m. Here are the results:
What fraction of the boys run 100m in more than 13s?
| |
[2] |
Roll 1 6-sided die.
What is the probability of getting a number bigger than or equal to 3? | |
[1] | A wheel has 9 sections, each has a reward in dollars, from $1 through to $9.
What prize do we expect to get if we spin the wheel? | |
[1] |
We asked a group of kids how many Bowls of Ramen they eat in a month. Here are the results:
kids
| |
| Bowls of Ramen | 0 | 2 | | 1 | 6 | | 2 | 2 | | 3 | 5 |
What is the probability of the kids to eat more than 4 Bowls of Ramen in a month? | |
[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:
| | 0.7 | 0.1 | 0.1 | 0.05 | 0.05 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling 3 or 5? | |
[1] |
There are 30 balls in a bag. This is is the probability distribution of their color:
How many red balls were in the bag? | |
[1] | You flip a coin and roll a 6 sided die.
What is the probability of getting a 1 or a 3 and a head? | |
[1] |
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