A wheel has 8 sections, each a number on it from 1 to 8. 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] | We asked a group of girls how many Pillows they eat in a month. Here are the results:
What fraction of the girls eat more than 1 Pillows in a month? | |
[2] |
Roll 12 6-sided dice.
How many times would you expect to get an even number? | |
[1] | A group of boys did a math test and here are their scores out of 5:
What is the probability of the boys to score less than 1? | |
[2] |
The weather forecast says that the chances of rain are 60%. The chance of remembering your umbrella is 40%. Your chance of being outside today are 90%.
What is the probability of getting wet today? | |
[1] | An obstacle course has 1 Fences and 1 Ditches. You have a 100% chance of clearing a Fence and a 100% chance of clearing a Ditch.
What is the probability of having a perfect run (clearing everything)? | |
[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 1? | |
[2] | Flip 3 coins.
What is the probability of getting 3 tails? | |
[1] |
| You shoot an arrow at a target. There is a 50% chance of scoring a 20, a 30% chance of scoring a 50, or you might miss completely and score 0. What average score do you expect to get if you do this many times? | |
[1] | Roll 144 6-sided dice.
How many times would you expect to get less than or equal to 4? | |
[1] |
We asked a group of boys how many Peaches they eat in a month. Here are the results:
What fraction of the boys eat more than 0 Peaches in a month? | |
[2] | A wheel has 13 sections, each has a reward in dollars, from $1 through to $13.
What prize do we expect to get if we spin the wheel? | |
[1] |
Roll 48 6-sided dice.
How many times would you expect to get more than 5? | |
[1] | Roll 96 6-sided dice.
How many times would you expect to get an even number? | |
[1] |
A bag has 8 balls with number 1 and 2 balls with a number 3. You take out 1 ball.
What is the probability of getting the ball with the number 1? | |
[1] | An obstacle course has 2 Fences and 1 Ditches. You have a 90% chance of clearing a Fence and a 80% chance of clearing a Ditch.
What is the probability of having a perfect run (clearing everything)? | |
[1] |
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