15 Relative Frequency And Probability Examples And Worksheets - Maths Quest General Maths Preliminary Course Page 16

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7
When selecting a card from a standard deck, what would be the probabilities of the following,
written as percentages? Give your answers correct to 1 decimal place.
a
Selecting a jack of clubs
b
Selecting a diamond
c
Selecting any 2
d
Selecting a black card
e
Selecting a court card
8
A raffle has 400 tickets. Sonya has bought 8 tickets. The probability that Sonya wins first
MC
prize in the raffle is:
A
0.02
B
0.08
C
D
0.2
0.8
9
In a class of 25 students, there are 15 boys and 10 girls. If a student is chosen at random
MC
from the class, the probability that the student is a boy is:
A
10%
B
15%
C
D
40%
60%
10
Which of the following does not describe the chance of selecting a diamond from a
MC
standard deck of cards?
13
A
52
B
0.13
C
0.25
D
25%
11
The diagram on the right shows a spinner that can be used in a board game.
When the player spins the spinner, what is the probability of getting the
5
1
following results (expressed as a decimal)?
a
A 5
4
2
b
An even number
3
c
An odd number
d
A number greater than one
12
11
The board game in question
has the following rules. A player
spinnning a 2 or a 5 is out of
the game. A player spinning
a 3 collects a treasure and
automatically wins the game.
Write down the probability, as a
percentage, that with the next spin
a player:
a
wins the game
b
is out of the game
c
neither wins nor is out of the
game.
Further development
13
A survey of the vehicles in a car park is conducted. The results are shown in the table
below.
Vehicle type
Bus
Car
Motor bike
4 wheel drive
Number
30
170
40
60
494
Maths Quest General Maths Preliminary Course

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