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 exactly 0? | |
[2] | A bag has 2 balls with numbers from 4 to 5. You take out 1 ball.
What is the probability of NOT getting the ball with the number 6? | |
[1] |
There are 70 balls in a bag. This is is the probability distribution of their color:
| | 0.4 | 0.2 | 0.4 | | orange | yellow | green | | Color |
If you choose a random ball from the bag, what is the probability of it being yellow? | |
[1] | | A bag has 3 balls with number 6 and 3 balls with a number 9. What will be the average of the numbers of the balls taken out of the bag | |
[1] |
Cars go by on a road, each is a different color and type.
Probability of Color
| | 1 | | | purple | orange | | Color |
Probability of Type
| | 0.2 | 0.8 | | sedan | wagon | | Type |
What is the probability of a car being a orange sedan? | |
[2] | A group of girls did a math test and here are their scores out of 5:
What is the probability of the girls to score more than 5? | |
[2] |
A wheel has 4 pink sections and 7 green sections.
What is the probability of getting pink? | |
[1] | A bag has 8 red balls, 3 blue balls and 5 yellow balls. You take out a red ball, then a yellow ball, then another ball.
What is the probability of getting red for the last ball? | |
[1] |
Roll 120 6-sided dice.
How many times would you expect to get less than or equal to 4? | |
[1] | A group of humans were timed running 100m. Here are the results:
What fraction of the humans run 100m in exactly 16s?
| |
[2] |
There are 40 balls in a bag. This is is the probability distribution of their color:
How many green balls were in the bag? | |
[1] | A bag has 5 balls with numbers from 4 to 8. You take out 1 ball.
What is the probability of NOT getting a ball with a number less than 7? | |
[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] | The weather forecast says that the chances of rain are 40%. Your chance of being outside today is 60%. You flip a coin to decide whether to take your umbrella.
What is the probability of getting wet today? | |
[1] |
There are 70 balls in a bag. This is is the probability distribution of their color:
| | 0.4 | 0.4 | 0.2 | | purple | red | green | | Color |
If you choose a random ball from the bag, what is the probability of it being green? | |
[1] | There are 60 balls in a bag. This is is the probability distribution of their color:
| | 0.8 | 0.2 | | | red | orange | green | | Color |
How many orange balls were in the bag? | |
[1] |
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