A bag has 6 red balls, 7 blue balls and 4 yellow balls. You take out a red ball, then a blue ball, then another ball.
What is the probability of getting red for the last ball? | |
[1] | We asked a group of girls how many Bananas they eat in a month. Here are the results:
What is the probability of the girls to eat exactly 4 Bananas in a month? | |
[2] |
There are 70 balls in a bag. This is is the probability distribution of their color:
If you choose a random ball from the bag, what is the probability of it being yellow or green? | |
[1] | A bag has 6 balls with number 1 and 2 balls with a number 4. You take out 1 ball.
What is the probability of getting the ball with the number 4? | |
[1] |
A bag has 6 balls with numbers from 3 to 8. You take out 1 ball.
What is the probability of NOT getting a ball with a number less than 6? | |
[1] | We asked a group of dogs how many Bowls of Ramen they eat in a week. Here are the results:
dogs
| |
| Bowls of Ramen | 0 | 5 | | 1 | 5 | | 2 | 2 | | 3 | 4 |
What fraction of the dogs eat exactly 1 Bowls of Ramen in a week? | |
[2] |
A group of people did a math test and here are their scores out of 5:
What fraction of the people score exactly 5? | |
[2] | A wheel has 4 purple sections and 5 yellow sections.
What is the probability of getting purple? | |
[1] |
A bag has 4 balls with numbers from 3 to 6. You take out 1 ball.
What is the probability of NOT getting the ball with the number 6? | |
[1] | Roll 4 6-sided dice.
What is the probability of getting 4 numbers that are odd? | |
[1] |
A bag has 8 red balls, 2 blue balls and 4 yellow balls. You take out a red ball, then a yellow ball, then another ball.
What is the probability of getting blue for the last ball? | |
[1] | The weather forecast says that the chances of rain are 80%. Your chance of being outside today is 50%. The chance of remembering your umbrella is 40%.
What is the probability of getting wet today? | |
[1] |
We asked a group of boys how many Oranges they eat in a week. Here are the results:
What is the probability of the boys to eat more than 3 Oranges in a week? | |
[2] | | You shoot an arrow at a target. There is a 60% chance of scoring a 30, a 30% chance of scoring a 50, or you might miss completely and score 0. What average score do you expect to get if you do this many times? | |
[1] |
There are 20 balls in a bag. This is is the probability distribution of their color:
| | 0.5 | 0.2 | 0.3 | | green | purple | red | | Color |
How many green balls were in the bag? | |
[1] | There are 90 balls in a bag. This is is the probability distribution of their color:
| | 0.3 | 0.7 | | blue | pink | yellow | | Color |
How many yellow balls were in the bag? | |
[1] |
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