Flip a coin 10 times.
Each time a head comes up you win $2 and with each tail you lose $3. It costs $3 to play (paid once). How much money would you expect to make altogether? | |
[1] | A bag has 6 balls with numbers from 1 to 6. You take out 1 ball.
What is the probability of NOT getting a ball with a number more than 6? | |
[1] |
A wheel has 8 sections, each a number on it from 1 to 8. If you spin an odd number you win that amount of dollars, if you spin an even number you lose.
What prize do we expect to get if we spin the wheel? | |
[1] | We asked a group of kids how many Strawberries they eat in a month. Here are the results:
What fraction of the kids eat more than 1 Strawberries in a month? | |
[2] |
There are 90 balls in a bag. This is is the probability distribution of their color:
| | 0.3 | 0.5 | 0.2 | | pink | yellow | orange | | Color |
If you choose a random ball from the bag, what is the probability of it being yellow? | |
[1] | A wheel has 10 sections, each has a reward in dollars, from $1 through to $10.
What prize do we expect to get if we spin the wheel? | |
[1] |
Roll 4 6-sided dice.
What is the probability of getting 4 numbers that are less than 3? | |
[1] | We asked a group of dogs how many Peaches they eat in a week. Here are the results:
What is the probability of the dogs to eat more than 4 Peaches in a week? | |
[2] |
A group of girls did a math test and here are their scores out of 5:
What fraction of the girls score less than 5? | |
[2] | You flip a coin and roll a 6 sided die.
What is the probability of getting a 6 and a tail? | |
[1] |
You flip a coin and roll a 7 sided die.
What is the probability of getting a 1 and a tail? | |
[1] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.2 | 0.8 | | purple | pink | | Color |
Probability of Type
| | 0.4 | 0.6 | | wagon | sedan | | Type |
What is the probability of a car being a purple sedan? | |
[2] |
A bag has 8 balls with numbers from 3 to 10. You take out 1 ball.
What is the probability of getting a ball with a number more than 3? | |
[1] | A wheel has 8 purple sections and 3 yellow sections.
What is the probability of getting yellow? | |
[1] |
We asked a group of people how many Oranges they eat in a week. Here are the results:
What fraction of the people eat exactly 3 Oranges in a week? | |
[2] |