An obstacle course has 2 Fences and 1 Ditches. You have a 90% 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 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 | 0.2 | 0.1 | 0.2 | 0.35 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number from 3 to 4? | |
[1] |
Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.8 | 0.2 | | green | blue | | Color |
Probability of Type
| | 0.3 | 0.7 | | sedan | wagon | | Type |
What is the probability of a car being a green wagon? | |
[2] | We asked a group of people how many Icecreams they eat in a week. Here are the results:
What is the probability of the people to eat less than 0 Icecreams in a week? | |
[2] |
There are 80 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 not being orange? | |
[1] | Roll 12 6-sided dice. How many times would you expect to get more than 5? | |
[1] |
We asked a group of dogs how many Bowls of Ramen they eat in a day. Here are the results:
dogs
| |
| Bowls of Ramen | 0 | 4 | | 1 | 6 | | 2 | 1 | | 3 | |
What fraction of the dogs eat less than 0 Bowls of Ramen in a day? | |
[2] | There are 40 balls in a bag. This is is the probability distribution of their color:
| | 0.2 | 0.2 | 0.6 | | blue | orange | purple | | Color |
How many orange balls were in the bag? | |
[1] |
| You shoot an arrow at a target. There is a 50% chance of scoring a 10, a 30% chance of scoring a 50, or you might miss completely and score 0. What average score do you expect to get if you do this many times? | |
[1] | A group of people did a math test and here are their scores out of 5:
What is the probability of the people to score more than 3? | |
[2] |
A bag has 8 red balls and 4 blue balls. You take out 1 red ball, then another ball. What is the probability of getting blue for the second ball? | |
[1] | A bag has 4 red balls, 6 blue balls and 4 yellow balls. You take out a yellow ball, then a blue ball, then another ball. What is the probability of getting blue for the last ball? | |
[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 bigger than 1? | |
[1] | A bag has 5 balls with numbers from 2 to 6. You take out 1 ball. What is the probability of NOT getting a ball with a number less than 6? | |
[1] |
A group of girls were timed running 100m. Here are the results:
What fraction of the girls run 100m in exactly 13s?
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[2] |