A group of dogs were timed running 100m. Here are the results:
What fraction of the dogs run 100m in more than 16s?
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[2] | | You shoot an arrow at a target. There is a 20% chance of scoring a 20 and a 10% chance of scoring a 30 and a 70% chance of scoring a 60. What average score do you expect to get if you do this many times? | |
[1] |
We asked a group of girls how many Strawberries they eat in a day. Here are the results:
girls
| | 4 | 1 | 6 | 2 | | 0 | 1 | 2 | 3 | | Strawberries |
What is the probability of the girls to eat exactly 4 Strawberries in a day? | |
[2] | Roll 72 6-sided dice.
How many times would you expect to get less than 5? | |
[1] |
A group of kids were timed running 100m. Here are the results:
What is the probability of the kids to run 100m in less than 14s?
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[2] | A bag has 2 balls with numbers from 5 to 6. You take out 1 ball.
What is the probability of NOT getting the ball with the number 4? | |
[1] |
Roll 126 6-sided dice.
How many times would you expect to get less than 6? | |
[1] | Flip a coin 16 times.
Each time a Head comes up you win $2. How much money would you expect to make altogether? | |
[1] |
A bag has 7 red balls, 5 green balls and 7 blue balls. You take out 1 ball.
What is the probability of getting a green ball? | |
[1] | There are 90 balls in a bag. This is is the probability distribution of their color:
How many red balls were in the bag? | |
[1] |
A bag has 7 red balls, 10 green balls and 7 blue balls. You take out 1 ball.
What is the probability of getting a red 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:
| | 0.4 | 0.25 | 0.15 | 0.1 | 0.1 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling 3 or 4? | |
[1] |
A wheel has 6 yellow sections and 8 purple sections.
What is the probability of getting purple? | |
[1] | A bag has 7 balls with number 2 and 8 balls with a number 4. You take out 1 ball.
What is the probability of getting the ball with the number 2? | |
[1] |
A group of kids were timed running 100m. Here are the results:
What fraction of the kids run 100m in more than 16s?
| |
[2] | A bag has 10 balls with numbers from 3 to 12. You take out 1 ball.
What is the probability of getting a ball with an even number? | |
[1] |
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