Flip 2 coins. What is the probability of getting 2 heads? | |
[1] | There are 50 balls in a bag. This is is the probability distribution of their color:
| | 0.2 | 0.5 | 0.3 | | orange | pink | blue | | Color |
How many blue balls were in the bag? | |
[1] |
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 more than 3? | |
[2] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.9 | 0.1 | | yellow | green | | Color |
Probability of Type
| | 0.9 | 0.1 | | wagon | sedan | | Type |
What is the probability of a car being a yellow wagon? | |
[2] |
Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.6 | 0.4 | | yellow | green | | Color |
Probability of Type
| | 0.7 | 0.3 | | sedan | wagon | | Type |
What is the probability of a car being a green sedan? | |
[2] | A group of boys did a math test and here are their scores out of 5:
What fraction of the boys score exactly 2? | |
[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 3? | |
[2] | There are 24 balls in a bag. This is is the probability distribution of their color:
How many red balls were in the bag? | |
[1] |
A bag has 4 red balls and 6 blue balls. You take out a blue ball, then a red ball, then another ball. What is the probability of getting blue for the last ball? | |
[1] | There are 20 balls in a bag. This is is the probability distribution of their color:
How many pink balls were in the bag? | |
[1] |
We asked a group of people how many Apples they eat in a month. Here are the results:
What is the probability of the people to eat more than 2 Apples in a month? | |
[2] | You flip a coin and roll a 6 sided die. What is the probability of getting a 4 or a 5 and a head? | |
[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
| | 0.6 | 0.4 | | sedan | wagon | | Type |
What is the probability of a car being a pink sedan? | |
[2] |