| You shoot an arrow at a target. There is a 50% chance of scoring a 30, a 30% chance of scoring a 40, or you might miss completely and score 0. What average score do you expect to get if you do this many times? | |
[1] | A wheel has 7 yellow sections and 2 orange sections.
What is the probability of getting yellow? | |
[1] |
| You shoot an arrow at a target. There is a 50% chance of scoring a 30 and a 50% chance of scoring a 50. What average score do you expect to get if you do this many times? | |
[1] | There are 22 balls in a bag. This is is the probability distribution of their color:
How many pink balls were in the bag? | |
[1] |
A wheel has 12 sections, each has a reward in dollars, from $1 through to $12.
What prize do we expect to get if we spin the wheel? | |
[1] | A bag has 5 balls with numbers from 5 to 9. You take out 1 ball.
What is the probability of NOT getting the ball with the number 4? | |
[1] |
There are 10 balls in a bag. This is is the probability distribution of their color:
| | 0.3 | 0.5 | 0.2 | | purple | red | blue | | Color |
How many purple balls were in the bag? | |
[1] | You flip a coin and roll a 10 sided die.
What is the probability of getting a 4 and a head? | |
[1] |
A wheel has 7 sections, each has a reward in dollars, from $1 through to $7.
What prize do we expect to get if we spin the wheel? | |
[1] | There are 6 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 6 red balls and 4 blue balls. You take out a blue 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 Apples they eat in a day. Here are the results:
What fraction of the girls eat more than 1 Apples in a day? | |
[2] |
A group of girls did a math test and here are their scores out of 5:
What fraction of the girls score exactly 4? | |
[2] | A wheel has 13 sections, each a number on it from 1 to 13. If you spin an even number you win that amount of dollars, if you spin an odd number you lose.
What prize do we expect to get if we spin the wheel? | |
[1] |
A bag has 8 red balls, 10 blue balls and 2 yellow balls. You take out a yellow ball, then a red ball, then another ball.
What is the probability of getting red for the last ball? | |
[1] | | You shoot an arrow at a target. There is a 40% chance of scoring a 10, a 30% chance of scoring a 60, 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 60 balls in a bag. This is is the probability distribution of their color:
| | 0.8 | 0.1 | 0.1 | | pink | purple | red | | Color |
If you choose a random ball from the bag, what is the probability of it not being pink or red? | |
[1] | There are 8 balls in a bag. This is is the probability distribution of their color:
How many yellow balls were in the bag? | |
[1] |
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