Level 1
Level 2
Level 3
Level 4
100
The probability of an event not happening is always 1 minus the probability that it will happen.
TRUE or FALSE
TRUE
100
The probability that Rajesh is late for school is 23%. What is the probability that Rajesh is not late?
77%
100
The probability that I get tails when I flip a biased coin is 
. The probability of getting heads is
2/5
100
The probability of selecting at random a red counter from a bag that contains red and yellow counters only is 
. There are 27 yellow counters in the bag. What is the total number of counters in the bag?
45
200
The probability of getting an even number on this fair spinner is:
2/5
200
What is the probability of getting either a 4 or a 6 when rolling a fair dice?Give your answer as a fraction in its lowest terms.
1/3
200
A fair spinner has ten equal sections. Two are red, three are blue and the rest are green. The spinner is spun once. What is the probability of it landing on red or green?
7/10
200
Discs labelled with the numbers 1 to 20 were placed in a bag and one disc was drawn out at random. The probability of the disc showing a number which is a multiple of three is:
3/10
300
A fair spinner has sections of four colours: green, red, blue and yellow.
The spinner landing on red and the spinner landing on green are mutually exclusive outcomes.
TRUE or FALSE
TRUE
300
Kaye took a book from a shelf containing school textbooks. The probability that she took a maths book is 0.25. The probability that she took an English book is 0.32. What is the probability that she took either a maths or an English book?
0.57
300
0.23
300
8
400
The probabilities of all mutually exclusive outcomes add up to
1
400
Adil writes the letters of the word PACIFIC on separate cards and puts them in a bag. He picks a card at random. What is the probability that he choses a card with either a C or a vowel? Give your answer as a fraction in its lowest terms.
5/7
400
Li writes the letters of the word MATHEMATICS on separate cards and puts them in a bag. She picks a card at random. What is the probability that she doesn’t pick a vowel?
7/11
400
Danilo is rolling a fair 8-sided dice with sides numbered 1, 2, 3, 4, 5, 6, 7, and 8. He rolls it 200 times. How many times is he likely to get a number that is a factor of 10?
75
500
If the probability of winning a football match is 0.55 and the probability of losing is 0.2, what is the probability of drawing?
0.25
500
A teacher has a pot of pens and pencils on his desk. The probability of choosing a pencil is 0.4 and a blue pen is 0.15.
If you take an item from the pot, what it the probability that you will pick a pencil or a blue pen?
0.55
500
Kristyna’s brother packs her school lunch each day. The probability that she will have a banana in her lunch is 
. The probability of having an apple is 
and an orange is 
. What is the probability that on one particular day Kristyna will have either an apple or an orange? Give your answer as a fraction in its lowest terms.
1/2
500
You are asked to choose a number randomly from this list: 1, 4, 5, 7, 11, 14, 19. What is the probability that you choose either a square or a primenumber? Give your answer as a fraction in its lowest terms.
6/7