Roll 72 6-sided dice. How many times would you expect to get more than 2? | |
[1] | 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 less than 2? | |
[2] |
You flip a coin and roll a 6 sided die. What is the probability of getting a 6 and a tail? | |
[1] | There are 30 balls in a bag. This is is the probability distribution of their color:
| | 0.1 | 0.5 | 0.4 | | orange | green | pink | | Color |
If you choose a random ball from the bag, what is the probability of it being orange? | |
[1] |
| You shoot an arrow at a target. You will either score 10 (20% chance), 40 (20% chance), or 60. What average score do you expect to get if you do this many times? | |
[1] | | You shoot an arrow at a target. There is a 60% chance of scoring a 20 and a 40% chance of scoring a 50. What average score do you expect to get if you do this many times? | |
[1] |
Roll 4 6-sided dice. What is the probability of getting 4 numbers that are even? | |
[1] | A bag has 6 balls with number 9 and 6 balls with a number 2. You take out 1 ball. What is the probability of getting the ball with the number 2? | |
[1] |
A wheel has 14 sections, each has a reward in dollars, from $1 through to $14. What prize do we expect to get if we spin the wheel? | |
[1] | Roll 24 6-sided dice. How many times would you expect to get an ugly number? | |
[1] |
A bag has 7 balls with number 6 and 7 balls with a number 7. You take out 1 ball. What is the probability of getting the ball with the number 7? | |
[1] | We asked a group of people how many Oranges they eat in a week. Here are the results:
What fraction of the people eat exactly 4 Oranges in a week? | |
[2] |
| You shoot an arrow at a target. There is a 60% chance of scoring a 30 and a 40% chance of scoring a 50. What average score do you expect to get if you do this many times? | |
[1] | Roll 72 6-sided dice. How many times would you expect to get less than or equal to 3? | |
[1] |
Roll 126 6-sided dice. How many times would you expect to get a number less than 7? | |
[1] | We asked a group of kids how many Bowls of Ramen they eat in a month. Here are the results:
kids
| | 1 | 5 | | 2 | | 0 | 1 | 2 | 3 | | Bowls of Ramen |
What fraction of the kids eat exactly 2 Bowls of Ramen in a month? | |
[2] |
A bag has 7 red balls, 2 blue balls and 6 yellow balls. You take out a red ball, then a blue ball, then another ball. What is the probability of getting yellow for the last ball? | |
[1] |