A group of kids were timed running 100m. Here are the results:
What fraction of the kids run 100m in less than 14s?
| |
[2] | A Crazy Die has 5 sides, but each side has a different probability of being rolled. This is is the probability distribution of the sides being rolled:
| | 0.75 | 0.15 | 0.05 | | 0.05 | | 1 | 2 | 3 | 4 | 5 | | Number |
What is the probability of rolling a 2? | |
[1] |
Roll 24 6-sided dice.
How many times would you expect to get less than or equal to 1? | |
[1] | | You shoot an arrow at a target. There is a 70% chance of scoring a 20 and a 30% chance of scoring a 60. What average score do you expect to get if you do this many times? | |
[1] |
We asked a group of people how many Popsicles they eat in a week. Here are the results:
What is the probability of the people to eat exactly 4 Popsicles in a week? | |
[2] | Flip a coin 10 times.
Each time a head comes up you win $1 and with each tail you lose $1. It costs $8 to play (paid once). How much money would you expect to make altogether? | |
[1] |
A wheel has 5 blue sections and 2 orange sections.
What is the probability of getting blue? | |
[1] | We asked a group of boys how many Chocolates they eat in a month. Here are the results:
What is the probability of the boys to eat more than 1 Chocolates in a month? | |
[2] |
We asked a group of kids how many Icecreams they eat in a day. Here are the results:
What fraction of the kids eat less than 3 Icecreams in a day? | |
[2] | 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] |
A bag has 5 red balls and 7 blue balls. You take out a blue ball, then a blue ball, then another ball.
What is the probability of getting blue for the last ball? | |
[1] | Cars go by on a road, each is a different color and type.
Probability of Color
| | 0.8 | 0.2 | | green | yellow | | Color |
Probability of Type
| | 0.8 | 0.2 | | sedan | wagon | | Type |
What is the probability of a car being a yellow wagon? | |
[2] |
A group of people did a math test and here are their scores out of 5:
What is the probability of the people to score less than 0? | |
[2] | Roll 138 6-sided dice.
How many times would you expect to get more than 5? | |
[1] |
|