Quiz about Year 7 Probability Quiz

Question 1

What is the chance of the following event occurring:

New Year's Day will be on 1 January next year.

Accepted Answer

Certain

Answer

Likely

Answer

Even Chance

Answer

Unlikely

Answer

Impossible

Question 2

What is the chance of the following event occurring:

Water will boil in the fridge.

Accepted Answer

Impossible

Answer

Certain

Answer

Likely

Answer

Even Chance

Answer

Unlikely

Question 3

What is the chance of the following event occurring:

There will be snow at Thredbo this winter.

Accepted Answer

Likely

Answer

Certain

Answer

Even Chance

Answer

Unlikely

Answer

Impossible

Question 4

What is the chance of the following event occurring:

You will grow 18cm taller this year.

Accepted Answer

Unlikely

Answer

Certain

Answer

Likely

Answer

Even Chance

Answer

Impossible

Question 5

What is the chance of the following event occurring:

You roll a fair die and obtain an odd number.

Accepted Answer

Even Chance

Answer

Certain

Answer

Likely

Answer

Unlikely

Answer

Impossible

Question 6

Which of the following spinners corresponds to the statement: 'Blue, red and green are all possible, but no two colours are equally likely'?

Accepted Answer

Option E is correct

Answer

A.

Answer

B.

Answer

C.

Answer

D.

Question 7

Which of the following spinners corresponds to the statement: 'Red is impossible'?

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

Answer

E.

Question 8

Which of the following spinners corresponds to the statement: 'Blue and green are equally likely, but red and green are not equally likely'?

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Answer

E.

Question 9

A spinner with the numbers 1 to 7 is spun. How many outcomes are in the sample space?

Accepted Answer

7

Answer

6

Answer

8

Answer

9

Answer

10

Question 10

A letter is chosen at random from the word EXCELLENT. How many outcomes are in the sample space?

Accepted Answer

9

Answer

6

Answer

7

Answer

8

Answer

10

Question 11

A bag of marbles contains 3 blue marbles, 2 green marbles and 5 red marbles. A marble is chosen at random. The probability that the marble selected is blue is:

Accepted Answer

3/10

Answer

1/5

Answer

2/5

Answer

1/2

Answer

3/5

Question 12

A bag contains 3 white, 2 yellow and 5 black balls. If a ball is drawn at random, the probability of a white ball is:

Accepted Answer

3/10

Answer

1/10

Answer

1/3

Answer

3/7

Answer

1/2

Question 13

Each letter of the word APPLE is written separately on five cards. One card is then chosen at random. P(letter P) is:

Accepted Answer

2/5

Answer

0

Answer

1/5

Answer

1/2

Answer

1

Question 14

The letters of the word STATISTICS are placed on 10 different cards and placed into a hat. If a card is drawn at random, the probability that it will show a vowel is:

Accepted Answer

3/10

Answer

1/5

Answer

2/5

Answer

1/2

Answer

7/10

Question 15

A bowl holds 9 red, 5 green and 6 black jellybeans. If a jellybean is taken at random from the bowl, what is the probability that it is either red or black?

Accepted Answer

3/4

Answer

2/3

Answer

7/10

Answer

9/11

Answer

11/20

Question 16

A drawer contains 13 black socks, 14 white socks and 8 grey socks. If one sock is selected at random, what is the probability that it is black or white?

Accepted Answer

27/35

Answer

13/35

Answer

14/35

Answer

8/35

Answer

22/35

Question 17

This spinner is spun 10 times, giving the results: 2, 5, 3, 5, 1, 2, 3, 3, 4, 6. The experimental probability of getting a 2 is:

Accepted Answer

1/5

Answer

1/6

Answer

4/5

Answer

1/4

Answer

1/3

Question 18

The results of a survey are shown in the table. Note that each student learns only one instrument. Based on the survey, the experimental probability that a randomly selected survey participant is learning the guitar is:

Accepted Answer

3/20

Answer

1/4

Answer

1/2

Answer

3

Answer

3/5

Question 19

A fair 6-sided die is rolled 600 times. The expected number of times that the number rolled is either 1 or a 2 is:

Accepted Answer

200

Answer

100

Answer

300

Answer

400

Answer

600

Question 20

An experiment is conducted in which three dice are rolled and the sum of the faces is added. In 12 of the 100 trials, the sum of the faces is 11. Based on this, the experimental probability of having three faces add to 11 is:

Accepted Answer

3/25

Answer

11/100

Answer

12/111

Answer

12

Answer

1/2

Question 21

The number of children in some families is recorded in the table shown. If 'no children' is an event, what is the complementary event?

Accepted Answer

1, 2, 3 or 4 children

Answer

0, 1, 2 or 3 children

Answer

0, 1, 3 or 4 children

Answer

0, 1, 2 or 4 children

Answer

0, 2, 3 or 4 children

Question 22

The colour of the cars in a school car park are recorded. Based on this sample, what is the probability that a randomly chosen car is white?

Accepted Answer

1/4

Answer

3/100

Answer

1/5

Answer

2/5

Answer

3/5

Question 23

The colour of the cars in a school car park are recorded. Based on this sample, how many purple cars would you expect to see in a shopping centre car park with 2000 cars?

Accepted Answer

60

Answer

30

Answer

90

Answer

120

Answer

150

Question 24

The colour of the cars in a school car park are recorded. Based on this sample, if 'red or black' is an event, what is the complementary event?

Accepted Answer

White, Blue, Purple or Green

Answer

Red, Black, Purple or Green

Answer

Black, White, Blue or Purple

Answer

Red, White, Blue or Purple

Answer

Red, Black, White or Blue

Question 25

A fair die is rolled. The probability that the number will be greater than 4 is:

Accepted Answer

1/3

Answer

1/2

Answer

1/6

Answer

3/4

Answer

5/6

Question 26

A survey conducted on people's weekly television viewing habits revealed the following results. What is the probability that a randomly selected participant watches between 5 and 20 hours of television per week?

Accepted Answer

1/2

Answer

1/10

Answer

3/20

Answer

7/20

Answer

4/5

Question 27

When a fair die is rolled, what is the probability that the number is even but not less than 3?

Accepted Answer

1/3

Answer

0

Answer

1/6

Answer

1/2

Answer

2/3

Question 28

One of these cards is selected at random. What is the probability that the number on the card is either odd or less than 5.

Accepted Answer

4/5

Answer

0

Answer

1/5

Answer

2/5

Answer

3/5

Question 29

A card is drawn at random from a standard pack of playing cards. What is the probability that the card is a black heart?

Accepted Answer

0

Answer

1/4

Answer

1/2

Answer

3/4

Answer

1/26

Question 30

A card is drawn at random from a standard pack of playing cards. What is the probability that the card is either black or a heart?

Accepted Answer

3/4

Answer

0

Answer

1/4

Answer

1/2

Answer

1

Question 31

A ticket is chosen at random from a hat. The probability that the ticket is green is 1/12 and the probability that it is blue is 5/12. What is the probability that the ticket is neither blue nor green?

Accepted Answer

1/2

Answer

1/12

Answer

5/12

Answer

7/12

Answer

2/3

Question 32

A number is chosen at random from the whole numbers 1 to 12 inclusive. What is the probability that the number is even or less than 8, but not both?

Accepted Answer

7/12

Answer

5/12

Answer

1/2

Answer

5/6

Answer

2/3

Question 33

Which shaded region represents the complement of A?

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Answer

E.

Question 34

Which shaded region represents A or B or both?

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

Answer

E.

Question 35

Refer to the Venn diagram of the results of a survey of Year 7's after-school activities for the previous day. How many students participated in the survey?

Accepted Answer

26

Answer

23

Answer

24

Answer

25

Answer

27

Question 36

Refer to the Venn diagram of the results of a survey of Year 7's after-school activities for the previous day. How many students did not watch TV for that day?

Accepted Answer

9

Answer

5

Answer

6

Answer

7

Answer

8

Question 37

Refer to the Venn diagram of the results of a survey of Year 7's after-school activities for the previous day. Which of the activities did most students do after school?

Accepted Answer

Play both sport and watch TV

Answer

Only play sport

Answer

Only watch TV

Answer

Watch neither TV or play sport

Answer

None of the above

Question 38

This two-way table shows the number and colour of ribbons won in a competition by some students. What is the probability that a boy chosen at random won a blue ribbon?

Accepted Answer

2/5

Answer

2/3

Answer

3/8

Answer

1/3

Answer

1/5

Question 39

This two-way table shows the number and colour of ribbons won in a competition by some students. What is the probability that a red ribbon was won by a girl?

Accepted Answer

5/14

Answer

5/9

Answer

1/2

Answer

1/3

Answer

1/6

Question 40

Refer to the two-way table of the results of a survey of Year 7's ice cream flavour preferences. Which Venn diagram represents this information?

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Answer

D.

Answer

E.

Question 41

Which of the following statements is not true?

Accepted Answer

If a fair coin is tossed 15 times and 13 heads are counted, the next throw is more likely to be a tail.

Answer

The sum of the probabilities of an event and its complement is equal to 1.

Answer

If you are 12 the probability that on your next birthday you will turn 13 is 1.

Answer

Mutually exclusive events cannot both occur at the same time.

Answer

The experimental probability will not always match the theoretical probability.

Question 42

Rachel has a fair coin. She has tossed 'heads' five times in a row. Rachel tosses the coin one more time. What is the probability of tossing 'tails'?

Accepted Answer

1/2

Answer

0

Answer

1

Answer

less than 1/2

Answer

more than 1/2

Year 7 Probability Quiz

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