A group of humans did a math test and here are their scores out of 5:
What is the probability of the humans to score more than 5? | |
[2] | A bag has 5 balls with number 8 and 8 balls with a number 6. You take out 1 ball. What is the probability of getting the ball with the number 8? | |
[1] |
There are 24 balls in a bag. This is is the probability distribution of their color:
How many orange balls were in the bag? | |
[1] | Flip a coin 2 times. Each time a head comes up you win $1 and with each tail you lose $2. It costs $3 to play (paid once). How much money would you expect to make altogether? | |
[1] |
Roll 96 6-sided dice. How many times would you expect to get more than or equal to 2? | |
[1] | Roll 12 6-sided dice. How many times would you expect to get more than 1? | |
[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 4? | |
[1] | A group of kids were timed running 100m. Here are the results:
What fraction of the kids run 100m in more than 13s?
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[2] |
Roll 12 6-sided dice. How many times would you expect to get less than or equal to 5? | |
[1] | A group of girls were timed running 100m. Here are the results:
What fraction of the girls run 100m in exactly 16s?
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[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:
What is the probability of rolling 1 or 3? | |
[1] | There are 70 balls in a bag. This is is the probability distribution of their color:
How many red balls were in the bag? | |
[1] |
Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.9 | 0.1 | | blue | purple | | Color |
Probability of Type
| | 0.4 | 0.6 | | wagon | sedan | | Type |
What is the probability of a car being a purple sedan? | |
[2] | A group of dogs did a math test and here are their scores out of 5:
What is the probability of the dogs to score less than 4? | |
[2] |
| A bag has 7 balls with number 6 and 4 balls with a number 2. What will be the average of the numbers of the balls taken out of the bag | |
[1] |