Lucky or Not
Probability
Tree Diagrams/Random Facts
Venn Diagrams
Two Way Table
100
All Teams Gain 100 Points
$$$
100
What is the probability of a coin landing on heads?
The probability is 1/2
100
What is the sample space of the tree diagram above
HH, HT, TH, TT
100
How many students have a brother and a sister
5
100
What is the probability of selecting someone who likes skateboards and snowmobiles?
The probability is 80/160 = 1/2
200
Your Team Loses 200 Points
:(
200
If there are 16 girls and 10 boys in a class what is the probability of selecting a girl at random?
8/13
200
Which artist had the most spotify streams for 2025
Bad Bunny
200
What is the probability of selecting a student who does not have a brother
14/28
Simplified to 1/2
200
What is the probability of selecting someone that does not like snowmobiles or skateboards?
The probability is 10/160 = 1/16
300
All Teams EXCEPT Your Team are Awarded an Extra 300 Points
!!!!!
300
What is the probability of flipping a coin and it landing on heads and then rolling a dice and it landing on a 4
1/2 x 1/6
= 1/12
300
What is the probability of flipping a coin and it landing on tails 3 times in a row
1/2 x 1/2 x 1/2
= 1/8
300
Calculate the probability that a selected student has at only 1 sibling.
15/28
300
What is the probability of selecting someone who walks given that they are a boy?
15/50 = 3/10
400
Your Team Wins 400 Points
!!!!
400
There are 10 blue jellybeans and 10 red jellybeans in a bag.
If you drew one out at random, ate it, then drew another what would be the probability that they drew two red jellybeans in a row
10/20 x 9/19
= 9/38
400
What is the probability of selecting a Blue Fish
1/4 x 1/10
= 1/40
400
If 60 students were surveyed in total what is the probability of selecting a student who likes both Dairy Milk and Crunchie chocolate bars
22/60
Simplified
11/30
400
What is the probability of selecting someone who drives a car?
25/100
Simplified 1/4
500
Your Team Can Nominate ONE other Team to Win 500 Points (not your own team)
Power
500
If there is 12 girls and 12 boys in a class and you had to select 3 students at random for a project what is the probability of randomly selecting the students in the following in order:
1 boy
1 girl
1 girl
12/24 x 12/23 x 11/22
= 3/23
500
Which two countries tied for most gold medals at the 2024 Paris Olympics?
The United States and China tied for the most gold medals at the 2024 Paris Olympics
500
What is the probability of selecting a student who likes Crunchie chocolate
35/60
Simplified
7/12
500
What is the probability of selecting someone that likes snowmobiles given that they like skateboards?
The probability is 80/125