Probability
Complementary Events
Venn Diagrams
Index Laws
Two-Way Tables
100
In percentages, what is the probability of picking a diamond from a standard deck of cards?
25%
100
What is the complement to getting a tail when flipping a coin?
Getting a Head
100
How many students like rugby only?
4
100
Calculate 25
32
100
How many girls like water?
2
200
What is the probability, in fraction form, of randomly spinning an odd number? Show full working.
P (odd) = 5/8
200
What symbol/term would you use to represent the complement of rolling a 4 on a six-sided die?
P'(4)
200
How many students like more than one sport?
26
200
Simplify:
b2 x b5
b7
200
How many people like vanilla?
92
300
What is the probability of rolling a 2 or a 6 on a fair six-sided die (full working and in decimal form)?
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?
P'(two sixes) = 35/36
300
What does the shaded region represent, and what is the notation used to identify it?
The intersection (shared values) of Apples and Bananas.
300
Simplify:
m23 / m15
m8
300
How many people were surveyed?
269
400
What is the probability of randomly drawing a 7 from a standard deck of 52 cards? (full working, fraction)
P(7) = 1/13
400
When choosing cards, if the event is P(Hearts), what would the complementary events be?
Diamonds, Clubs, Spades
400
How many students like Handball or Baseball?
19
400
Simplify:
(g3)6
g18
400
What is the probability of somebody being female and liking sports cars? (simplify the fraction)
3/16
500
What is the probability of spinning a yellow or odd number? (full working, percentage form)
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 fraction.
P'(rain) = 0.8 = 4/5
500
What is represented by the shaded region, and what notation is used to identify it?
The complement of Apples.
Apples'
500
Simplify:
(a4b4)2
a8b8
500
What is the probability that a person randomly chosen will be a male who likes SUVs? Show your answer as a percentage.
8.75%