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:
| | 0.2 | 0.1 | 0.05 | 0.65 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 4 and smaller than 3? | |
[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:
What is the probability of rolling 2 or 5? | |
[1] |
| A bag has 9 balls with number 5 and 3 balls with a number 4. What will be the average of the numbers of the balls taken out of the bag | |
[1] | We asked a group of girls how many Pillows they eat in a week. Here are the results:
What fraction of the girls eat exactly 4 Pillows in a week? | |
[2] |
A group of humans did a math test and here are their scores out of 5:
What is the probability of the humans to score less than 1? | |
[2] | A bag has 4 balls with numbers from 5 to 8. You take out 1 ball.
What is the probability of NOT getting a ball with a number more than 8? | |
[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:
| | 0.3 | 0.1 | 0.2 | 0.15 | 0.25 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 2? | |
[1] | Roll 90 6-sided dice.
How many times would you expect to get more than or equal to 4? | |
[1] |
Roll 6 6-sided dice.
How many times would you expect to get a number less than 4? | |
[1] | There are 90 balls in a bag. This is is the probability distribution of their color:
| | 0.4 | 0.4 | 0.2 | | purple | blue | pink | | Color |
How many blue balls were in the bag? | |
[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:
| | 0.2 | 0.2 | 0.1 | 0.25 | 0.25 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is smaller than or equal to 2? | |
[1] | A wheel has 10 sections, 2 of each color.
What is the probability of getting orange? | |
[1] |
A wheel has 6 purple sections and 3 blue sections.
What is the probability of getting purple? | |
[1] | A wheel has 14 sections, each has a reward in dollars, from $1 through to $14.
What prize do we expect to get if we spin the wheel? | |
[1] |
The chances of feeling like icecream are 70%. The chances of being near an icecream store are 90%. There is a 20% chance that you lost all your money.
What is the probability of having icecream? | |
[1] | A wheel has 2 sections, each a different color.
What is the probability of getting blue? | |
[1] |
Flip a coin 10 times.
Each time a head comes up you win $3 and with each tail you lose $2. It costs $18 to play (paid once). How much money would you expect to make altogether? | |
[1] | There are 30 balls in a bag. This is is the probability distribution of their color:
| | 0.1 | 0.2 | 0.7 | | green | pink | blue | | Color |
How many pink balls were in the bag? | |
[1] |
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