Probability Powerplay
Level 6, 2024-11-25
A group of humans were timed running 100m. Here are the results:
humans

153
1314151617
Time

What is the probability of the humans to run 100m in more than 17s?
[2]
Roll 1 6-sided die.
What is the probability of getting a number bigger than 1?
[1]
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:


0.250.050.150.55
12345
Number

What is the probability of rolling a number that is bigger than 5 and smaller than 4?
[1]
A wheel has 11 sections, each has a reward in dollars, from $1 through to $11.
What prize do we expect to get if we spin the wheel?
[1]
A group of people did a math test and here are their scores out of 5:
people

Score05
12
23
31
42
52

What is the probability of the people to score exactly 0?
[2]
A bag has 7 balls with numbers from 5 to 11. You take out 1 ball.
What is the probability of NOT getting a ball with a number less than 8?
[1]
A bag has 5 red balls, 7 blue balls and 7 yellow balls. You take out a blue ball, then a red ball, then another ball.
What is the probability of getting yellow for the last ball?
[1]
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:


0.150.150.7
12345
Number

What is the probability of rolling a number from 1 to 3?
[1]
A group of kids did a math test and here are their scores out of 5:
kids

562233
012345
Score

What is the probability of the kids to score more than 3?
[2]
A group of people were timed running 100m. Here are the results:
Timepeople
134
142
153
165
170

What is the probability of the people to run 100m in exactly 15s?
[2]
A bag has 8 red balls, 4 green balls and 3 blue balls. You take out 1 ball.
What is the probability of getting a blue ball?
[1]
There are 10 balls in a bag. This is is the probability distribution of their color:


0.20.20.6
redpurpleyellow
Color

If you choose a random ball from the bag, what is the probability of it not being yellow?
[1]
We asked a group of boys how many Icecreams they eat in a week. Here are the results:
boys

4452
0123
Icecreams

What is the probability of the boys to eat more than 3 Icecreams in a week?
[2]
A bag has 4 balls with numbers from 1 to 4. You take out 1 ball.
What is the probability of getting a ball with an odd number?
[1]
Roll 60 6-sided dice.
How many times would you expect to get a number less than 4?
[1]