A group of kids were timed running 100m. Here are the results:
What is the probability of the kids to run 100m in more than 13s?
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[2] | A bag has 5 balls with numbers from 4 to 8. You take out 1 ball. What is the probability of NOT getting the ball with the number 5? | |
[1] |
You roll 2 3-sided dice You add the two numbers. What is the probability of getting exactly 4? | |
[1] | We asked a group of boys how many Bananas they eat in a month. Here are the results:
What fraction of the boys eat more than 1 Bananas in a month? | |
[2] |
Flip a coin 18 times. Each time a Head comes up you win $4. How much money would you expect to make altogether? | |
[1] | We asked a group of humans how many Burgers they eat in a month. Here are the results:
What is the probability of the humans to eat more than 2 Burgers in a month? | |
[2] |
There are 80 balls in a bag. This is is the probability distribution of their color:
How many pink balls were in the bag? | |
[1] | Roll 126 6-sided dice. How many times would you expect to get less than 2? | |
[1] |
We asked a group of girls how many Pizzas they eat in a day. Here are the results:
What fraction of the girls eat less than 1 Pizzas in a day? | |
[2] | There are 40 balls in a bag. This is is the probability distribution of their color:
| | 0.1 | 0.5 | 0.4 | | pink | yellow | orange | | Color |
How many orange balls were in the bag? | |
[1] |
A bag has 2 red balls and 10 blue balls. You take out a blue ball, then a red ball, then another ball. What is the probability of getting red for the last ball? | |
[1] | | You shoot an arrow at a target. There is a 50% chance of scoring a 30 and a 50% chance of scoring a 50. What average score do you expect to get if you do this many times? | |
[1] |
A bag has 3 red balls, 9 blue balls and 7 yellow balls. You take out a red ball, then a blue ball, then another ball. What is the probability of getting blue for the last ball? | |
[1] | A bag has 2 red balls and 6 blue balls. You take out a red ball, then a blue ball, then another ball. What is the probability of getting red for the last ball? | |
[1] |
A group of people were timed running 100m. Here are the results:
What is the probability of the people to run 100m in less than 15s?
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[2] |