Probability 1: Mastery Questions |
| Guidance Notes - To answer each question, click on the letter that corresponds to the correct answer. You then need to click the 'Check' button to see if you are correct.
If your answer is incorrect, you will be given a hint on how to get the correct answer. You then need to click the 'Try again' button to attempt the question once more.
There is a bag containing 5 red cubes, 2 blue cubes, 2 green cubes and 1 white cube. One cube is chosen at random.
Questions 1 to 4 refer to the cubes in this bag and to the probability line below.
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| 1. |
Which arrow indicates that cube chosen was red?
Incorrect. Hint - Look at page 8 in Probability 1 unit.
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| 2. |
Which arrow indicates that cube chosen was white?
Incorrect. Hint - Look at page 8 in Probability 1 unit.
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| 3. |
Which arrow indicates that cube chosen was black?
Incorrect. Hint - Look at page 8 in Probability 1 unit.
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| 4. |
Which arrow indicates that cube chosen was green?
Incorrect. Hint - Look at page 8 in Probability 1 unit.
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These words are used to describe the probability of an event happening.
Questions 5 to 8 refer to where the phrases belong on the probability line below.
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| 5. |
Which arrow points to "Maybe"?
Incorrect. Hint - Look at page 4 in Probability 1 unit.
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| 6. |
Which arrow points to "A 50/50 chance"?
Incorrect. Hint - Look at page 4 in Probability 1 unit.
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| 7. |
Which arrow points to "More than likely"?
Incorrect. Hint - Look at page 4 in Probability 1 unit.
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| 8. |
Which arrow points to "Highly improbable"?
Incorrect. Hint - Look at page 8 in Probability 1 unit.
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Questions 9 and 10 use the spinners shown below.
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| 9. |
In the spinners game above, which spinner gives the best chance of winning?
Incorrect. Hint - Look at page 11 in Probability 1 unit.
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| 10. |
In the spinners game above, which spinner gives the least chance of winning?
Incorrect. Hint - Look at page 11 in Probability 1 unit.
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| For Questions 11 and 12, you will need to answer them using paper and pencil and then click the 'Check' button to see if you have done them correctly. |
| 11. |
There are two indentical bags, each containing 2 red, 2 blue and 2 white balls, as shown below.
A ball is chosen at random from bag A and placed in bag B.
A ball is then chosen at random from bag B and placed in bag B.
Systematic listing in words or in diagrams
1 mark for clearly showing the ball chosen from bag A could be red, white or blue.
1 mark for clearly showing the ball chosen from bag B oculd be red, white or blue.
1 mark for all possible options now in bag A.
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| 12. |
Julian has been camping recently and discovered three possible cycle tracks from the campsite to the tuck shop and four possible routes from the tuck shop
to the beach.
How many different routes are there from the campsite to the beach?
There are 12 possible routes (1 mark) (nothing else shown)
A clear demonstration that for each route from the Campsite to the tuckshop there are 4 possible routes to the beach. (1 mark)
Evidence of why there are 12 possible routes clearly shown. (1 mark)
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