A group of people were timed running 100m. Here are the results:
| Time | people | | 13 | 1 | | 14 | 2 | | 15 | 3 | | 16 | 4 | | 17 | 0 |
What fraction of the people run 100m in exactly 15s?
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[2] | A group of boys were timed running 100m. Here are the results:
What fraction of the boys run 100m in exactly 15s?
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[2] |
Roll 114 6-sided dice.
How many times would you expect to get less than 4? | |
[1] | There are 30 balls in a bag. This is is the probability distribution of their color:
| | 0.3 | 0.5 | 0.2 | | red | pink | purple | | Color |
If you choose a random ball from the bag, what is the probability of it not being pink or red? | |
[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 less than 2? | |
[2] | We asked a group of people how many Bananas they eat in a day. Here are the results:
What is the probability of the people to eat more than 4 Bananas in a day? | |
[2] |
| You shoot an arrow at a target. There is a 40% chance of scoring a 20 and a 10% chance of scoring a 30 and a 50% chance of scoring a 60. 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 fraction of the people score exactly 1? | |
[2] |
A group of boys were timed running 100m. Here are the results:
What fraction of the boys run 100m in less than 17s?
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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:
| | 0.45 | 0.05 | 0.2 | 0.1 | 0.2 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling 1 or 2? | |
[1] |
| You shoot an arrow at a target. There is a 20% chance of scoring a 20 and a 20% chance of scoring a 40 and a 60% chance of scoring a 50. What average score do you expect to get if you do this many times? | |
[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:
| | 0.1 | | 0.1 | 0.05 | 0.75 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 2 and smaller than 4? | |
[1] |
A bag has 5 balls with number 4 and 9 balls with a number 2. You take out 1 ball.
What is the probability of getting the ball with the number 4? | |
[1] | | A bag has 2 balls with number 8 and 9 balls with a number 4. What will be the average of the numbers of the balls taken out of the bag | |
[1] |
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