A group of humans did a math test and here are their scores out of 5:
What fraction of the humans score less than 2? | |
[2] | A wheel has 4 orange sections and 8 blue sections. What is the probability of getting orange? | |
[1] |
Roll 114 6-sided dice. How many times would you expect to get less than 4? | |
[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 1? | |
[1] |
Roll 144 6-sided dice. How many times would you expect to get an odd number? | |
[1] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.2 | 0.8 | | purple | orange | | Color |
Probability of Type
| | 0.2 | 0.8 | | wagon | sedan | | Type |
What is the probability of a car being a purple wagon? | |
[2] |
| A bag has 9 balls with number 5 and 9 balls with a number 3. What will be the average of the numbers of the balls taken out of the bag | |
[1] | There are 60 balls in a bag. This is is the probability distribution of their color:
| | 0.3 | 0.1 | 0.6 | | purple | pink | yellow | | Color |
If you choose a random ball from the bag, what is the probability of it being pink or purple? | |
[1] |
A group of kids were timed running 100m. Here are the results:
What is the probability of the kids to run 100m in exactly 13s?
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[2] | A wheel has 10 sections, 2 of each color. What is the probability of getting purple? | |
[1] |
Roll 4 6-sided dice. What is the probability of getting 4 numbers that are less than 5? | |
[1] | A bag has 11 balls with numbers from 1 to 11. You take out 1 ball. What is the probability of getting the ball with the number 10? | |
[1] |
A bag has 5 red balls and 2 blue balls. You take out a red ball, then a red ball, then another ball. What is the probability of getting red for the last ball? | |
[1] | You flip a coin and roll a 6 sided die. What is the probability of getting a 6 or a 2 and a head? | |
[1] |
Roll 132 6-sided dice. How many times would you expect to get anything except 5? | |
[1] | A bag has 8 balls with numbers from 3 to 10. You take out 1 ball. What is the probability of NOT getting a ball with a number more than 7? | |
[1] |
You flip a coin and roll a 6 sided die. What is the probability of getting a 3 and a tail? | |
[1] |