Roll 96 6-sided dice.
How many times would you expect to get less than 3? | |
[1] | A wheel has 10 sections, each with a different reward.
What is the probability of getting a Mike & Ike? | |
[1] |
A wheel has 7 sections, each has a reward in dollars, from $1 through to $7.
What prize do we expect to get if we spin the wheel? | |
[1] | You flip a coin and roll a 6 sided die.
What is the probability of getting a 2 or a 5 and a tail? | |
[1] |
We asked a group of girls how many Hot dogs they eat in a month. Here are the results:
What fraction of the girls eat more than 3 Hot dogs in a month? | |
[2] | | A bag has 3 balls with number 3 and 8 balls with a number 4. What will be the average of the numbers of the balls taken out of the bag | |
[1] |
Roll 4 6-sided dice.
What is the probability of getting 4 numbers that are less than 3? | |
[1] | Roll 2 6-sided dice.
What is the probability of getting 2 numbers that are less than 3? | |
[1] |
| You shoot an arrow at a target. There is a 90% chance of scoring a 30 and a 10% chance of scoring a 60. 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:
| | 0.15 | | 0.25 | 0.2 | 0.4 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is smaller than 4? | |
[1] |
You flip a coin and roll a 3 sided die.
What is the probability of getting a 5 and a head? | |
[1] | An obstacle course has 2 Fences and 1 Ditches. You have a 80% 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] |
You flip a coin and roll a 6 sided die.
What is the probability of getting a 3 or a 2 and a tail? | |
[1] | A bag has 2 balls with numbers from 2 to 3. You take out 1 ball.
What is the probability of NOT getting the ball with the number 1? | |
[1] |
There are 120 balls in a bag. This is is the probability distribution of their color:
How many yellow balls were in the bag? | |
[1] | There are 60 balls in a bag. This is is the probability distribution of their color:
| | 0.4 | 0.1 | 0.5 | | orange | yellow | green | | Color |
How many yellow balls were in the bag? | |
[1] |
A group of people did a math test and here are their scores out of 5:
What fraction of the people score more than 3? | |
[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:
| | 0.15 | 0.05 | 0.05 | | 0.75 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling 1 or 5? | |
[1] |
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