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 17s?
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[2] | A wheel has 5 pink sections and 2 blue sections.
What is the probability of getting blue? | |
[1] |
Roll 72 6-sided dice.
How many times would you expect to get an even number? | |
[1] | Flip a coin 2 times.
Each time a Head comes up you win $4. How much money would you expect to make altogether? | |
[1] |
Flip a coin 12 times.
Each time a Tail comes up you win $4. How much money would you expect to make altogether? | |
[1] | A group of dogs did a math test and here are their scores out of 5:
What is the probability of the dogs to score less than 3? | |
[2] |
A bag has 3 red balls, 5 blue balls and 5 yellow balls. You take out a yellow ball, then a blue ball, then another ball.
What is the probability of getting red for the last ball? | |
[1] | Flip a coin 10 times.
Each time a Head comes up you win $3. It costs $11 to play (paid once). How much money would you expect to make altogether? | |
[1] |
A wheel has 7 sections, each a number on it from 1 to 7. If you spin an even number you win that amount of dollars, if you spin an odd number you lose.
What prize do we expect to get if we spin the wheel? | |
[1] | Roll 90 6-sided dice.
How many times would you expect to get more than or equal to 2? | |
[1] |
Roll 114 6-sided dice.
How many times would you expect to get less than or equal to 4? | |
[1] | Roll 108 6-sided dice.
How many times would you expect to get less than or equal to 1? | |
[1] |
You roll 2 3-sided dice
You add the two numbers. What is the probability of getting more than or equal to 2? | |
[1] | | A bag has 3 balls with number 5 and 4 balls with a number 9. What will be the average of the numbers of the balls taken out of the bag | |
[1] |
A group of people were timed running 100m. Here are the results:
What is the probability of the people to run 100m in more than 14s?
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[2] | Roll 60 6-sided dice.
How many times would you expect to get a number less than 2? | |
[1] |
| You shoot an arrow at a target. There is a 20% chance of scoring a 10 and a 40% chance of scoring a 40 and a 40% chance of scoring a 50. What average score do you expect to get if you do this many times? | |
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