We asked a group of boys how many Sandwiches they eat in a day. Here are the results:
What is the probability of the boys to eat exactly 0 Sandwiches in a day? | |
[2] | Flip a coin 8 times.
Each time a Tail comes up you win $3. How much money would you expect to make altogether? | |
[1] |
Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.5 | 0.5 | | green | red | | Color |
Probability of Type
| | 0.8 | 0.2 | | sedan | wagon | | Type |
What is the probability of a car being a green wagon? | |
[2] | Flip a coin 14 times.
Each time a Tail comes up you win $1. How much money would you expect to make altogether? | |
[1] |
Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.3 | 0.7 | | orange | green | | Color |
Probability of Type
| | 0.8 | 0.2 | | wagon | sedan | | Type |
What is the probability of a car being a orange wagon? | |
[2] | A group of boys did a math test and here are their scores out of 5:
What fraction of the boys score more than 1? | |
[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 | 0.2 | 0.2 | 0.15 | 0.3 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 4 or smaller than 5? | |
[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 a number that is bigger than or equal to 2? | |
[1] |
Flip a coin 14 times.
Each time a Head comes up you win $2. It costs $23 to play (paid once). How much money would you expect to make altogether? | |
[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:
| | 0.4 | 0.05 | 0.1 | 0.2 | 0.25 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a number that is bigger than 2 or smaller than 3? | |
[1] |
We asked a group of people how many Strawberries they eat in a week. Here are the results:
| Strawberries | people | | 0 | 3 | | 1 | 4 | | 2 | 3 | | 3 | 4 |
What fraction of the people eat exactly 4 Strawberries in a week? | |
[2] | We asked a group of people how many Pizzas they eat in a month. Here are the results:
What is the probability of the people to eat more than 4 Pizzas in a month? | |
[2] |
There are 100 balls in a bag. This is is the probability distribution of their color:
| | 0.5 | 0.1 | 0.4 | | red | purple | yellow | | Color |
If you choose a random ball from the bag, what is the probability of it being yellow or purple? | |
[1] | Flip 2 coins.
What is the probability of getting 2 tails? | |
[1] |
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