A group of kids were timed running 100m. Here are the results:
What fraction of the kids run 100m in less than 15s?
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[2] | There are 70 balls in a bag. This is is the probability distribution of their color:
How many purple balls were in the bag? | |
[1] |
A bag has 9 balls with numbers from 3 to 11. You take out 1 ball.
What is the probability of NOT getting a ball with a number more than 8? | |
[1] | A wheel has 4 pink sections and 8 green sections.
What is the probability of getting green? | |
[1] |
A group of dogs did a math test and here are their scores out of 5:
What fraction of the dogs score exactly 2? | |
[2] | We asked a group of boys how many Chocolates they eat in a week. Here are the results:
What fraction of the boys eat exactly 1 Chocolates in a week? | |
[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:
| | 0.05 | 0.2 | 0.25 | 0.5 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 2 or smaller than 3? | |
[1] | There are 20 balls in a bag. This is is the probability distribution of their color:
| | 0.3 | 0.5 | 0.2 | | yellow | orange | purple | | 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:
| | 0.55 | 0.15 | 0.05 | 0.2 | 0.05 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than or equal to 3? | |
[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 or equal to 2? | |
[1] |
| A bag has 5 balls with number 2 and 7 balls with a number 2. What will be the average of the numbers of the balls taken out of the bag | |
[1] | Flip 3 coins.
What is the probability of getting 3 tails? | |
[1] |
Roll 138 6-sided dice.
How many times would you expect to get an ugly number? | |
[1] | A group of people were timed running 100m. Here are the results:
What fraction of the people run 100m in less than 13s?
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[2] |
| You shoot an arrow at a target. There is a 60% chance of scoring a 30, a 10% 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] | Roll 36 6-sided dice.
How many times would you expect to get more than or equal to 1? | |
[1] |
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