Probability
Complementary Events
Venn Diagrams
Two-Way Tables
Random
Riddles/Jokes
100
In percentages, what is the probability of picking a diamond from a standard deck of cards?
(60 seconds)
25%
100
What is the complement to getting a tail when flipping a coin?
(30 seconds)
Getting a Head
100
How many students like rugby only?
(30 seconds)
4
100
How many girls like water?
(30 seconds)
2
100
What is my favourite number ?
(15 seconds)
Hint: Its an even two-digit number, multiple of 3.
18
100
Why was the equal sign so humble?
Because it knew it wasn’t less than or greater than anyone else!
200
What is the probability, in fraction form, of randomly spinning an odd number?
(45 seconds)
P (odd) = 5/8
200
What is the complement of the probability of 0.37?
(45 seconds)
0.63
200
How many students like more than one sport?
(60 seconds)
26
200
How many people like vanilla?
(40 seconds)
92
200
What is my occupation before starting to become a teacher?
(20 seconds)
Mechanical Engineer
200
Why was the obtuse angle so depressed?
Because it’s never right.
300
What is the probability of rolling a 2 or a 6 on a fair six-sided die (in decimal form)?
(30 seconds)
P(2 or 6) = 0.33
300
When rolling two fair six-sided die, the probability of rolling two sixes is 1/36. What is the complement to this event (as a fraction)?
(45 seconds)
P'(two sixes) = 35/36
300
What does the shaded region represent, and what is the notation used to identify it?
(30 seconds)
The intersection (shared values) of Apples and Bananas.
P(A and B)
300
How many people were surveyed?
(60 seconds)
269
300
Name the fruit that has its seeds on the outside?
(30 seconds)
Strawberry
300
Why did the student do multiplication problems on the floor?
The teacher told them not to use tables.
400
What is the probability of randomly drawing a 7 from a standard deck of 52 cards? (decimal)
(60 seconds)
P(7) = 0.077
400
When choosing cards, if the event is P(Hearts), what would the complementary events be?
(45 seconds)
Diamonds, Clubs, Spades
400
How many students like Handball only or Baseball only?
(45 seconds)
19
400
What is the probability of somebody being female and liking sports cars?
(60 seconds)
45/240
0.1875
400
What zodiac sign is Dr Balakrishnan?
(30 seconds)
Hint: His birthday is in July.
Leo
400
Why did the student bring a ladder to algebra class?
Because the problems were on another level!
500
What is the probability of spinning a yellow or odd number? (percentage form)
(45 seconds)
P(yellow or odd) = 75%
500
If the probability of rain is 0.2, what is the complement to the event? Show full working. Write your answer as a decimal.
(45 seconds)
P'(rain) = 0.8
500
What is represented by the shaded region, and what notation is used to identify it?
(60 seconds)
The complement of Apples.
Apples'
500
What is the probability that a person randomly chosen will be a male who likes SUVs? Show your answer as a percentage.
(60 seconds)
8.75%
500
Where is Freo dockers on the ladder at the moment?
Number 6th.
500
Why was the variable always tired?
Because it was always changing.