Statistics and Probability, NAPX-J3-CA19, NAPX-J2-34

Question

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Worked Solution

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Variant 0

DifficultyLevel

546

Question

Ricky has a bag of orange, white, blue and green marbles.



Ricky picks one marble from the bag.

Which of the following could be the probability that the marble he picks is green?

Worked Solution

Any probability must be between 0 and 1.

∴\therefore Only possibility is 738\dfrac{7}{38}

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
Ricky has a bag of orange, white, blue and green marbles.
sm_img https://teacher.smartermaths.com.au/wp-content/uploads/2017/10/NAP-J3-CA19_1.png 150 indent3 vpad
Ricky picks one marble from the bag. Which of the following could be the probability that the marble he picks is green?
workedSolution
Any probability must be between 0 and 1. $\therefore$ Only possibility is {{{correctAnswer}}}
correctAnswer
$\dfrac{7}{38}$

Answers

Is Correct?Answer
x

387\dfrac{38}{7}

x

1.07

x

7

✓

738\dfrac{7}{38}

Variant 1

DifficultyLevel

549

Question

Angus has a bag full of lollies.

The bag contains jelly snakes, maltesers and sour worms.

Angus closes his eyes and picks one lolly from the bag.

Which of the following could be the probability that Angus picked a sour worm?

Worked Solution

Any probability must be between 0 and 1.

∴\therefore Only possibility is 511\dfrac{5}{11}

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
Angus has a bag full of lollies. The bag contains jelly snakes, maltesers and sour worms. Angus closes his eyes and picks one lolly from the bag. Which of the following could be the probability that Angus picked a sour worm?
workedSolution
Any probability must be between 0 and 1. $\therefore$ Only possibility is {{{correctAnswer}}}
correctAnswer
$\dfrac{5}{11}$

Answers

Is Correct?Answer
x

2

✓

511\dfrac{5}{11}

x

1005\dfrac{100}{5}

x

1.57

Variant 2

DifficultyLevel

551

Question

Bess has a bag of orange, grey and blue marbles.



Bess picks one marble from the bag.

Which of the following could be the probability that the marble she picks is grey?

Worked Solution

Any probability must be between 0 and 1.

∴\therefore Only possibility is 715\dfrac{7}{15}

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
Bess has a bag of orange, grey and blue marbles.
sm_img https://teacher.smartermaths.com.au/wp-content/uploads/2023/07/balls-6-coloured-min.svg 150 indent3 vpad
Bess picks one marble from the bag. Which of the following could be the probability that the marble she picks is grey?
workedSolution
Any probability must be between 0 and 1. $\therefore$ Only possibility is {{{correctAnswer}}}
correctAnswer
$\dfrac{7}{15}$

Answers

Is Correct?Answer
✓

715\dfrac{7}{15}

x

43\dfrac{4}{3}

x

1.2

x

5

Variant 3

DifficultyLevel

547

Question

Ringo has a bag of gold and silver coins.



Ringo picks one coin from the bag.

Which of the following could be the probability that the coin he picks is silver?

Worked Solution

Any probability must be between 0 and 1.

∴\therefore Only possibility is 731\dfrac{7}{31}

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
Ringo has a bag of gold and silver coins.
sm_img https://teacher.smartermaths.com.au/wp-content/uploads/2023/07/coin-bag-min.svg 150 indent3 vpad
Ringo picks one coin from the bag. Which of the following could be the probability that the coin he picks is silver?
workedSolution
Any probability must be between 0 and 1. $\therefore$ Only possibility is {{{correctAnswer}}}
correctAnswer
$\dfrac{7}{31}$

Answers

Is Correct?Answer
x

2

x

2.3

x

125\dfrac{12}{5}

✓

731\dfrac{7}{31}

Variant 4

DifficultyLevel

545

Question

Kuki has a box full of balls.

The balls are red, purple and white.

Kuki closes her eyes and picks one ball from the box.

Which of the following could be the probability that Kuki picked a purple ball?

Worked Solution

Any probability must be between 0 and 1.

∴\therefore Only possibility is 79\dfrac{7}{9}

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
Kuki has a box full of balls. The balls are red, purple and white. Kuki closes her eyes and picks one ball from the box. Which of the following could be the probability that Kuki picked a purple ball?
workedSolution
Any probability must be between 0 and 1. $\therefore$ Only possibility is {{{correctAnswer}}}
correctAnswer
$\dfrac{7}{9}$

Answers

Is Correct?Answer
x

43\dfrac{4}{3}

x

2.5

✓

79\dfrac{7}{9}

x

3

Variant 5

DifficultyLevel

542

Question

Min has a bag of table tennis balls.

The bag contains white and orange balls.

Min closes his eyes and picks one ball from the bag.

Which of the following could be the probability that Min picked a white ball?

Worked Solution

Any probability must be between 0 and 1.

∴\therefore Only possibility is 114\dfrac{1}{14}

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
question
Min has a bag of table tennis balls. The bag contains white and orange balls. Min closes his eyes and picks one ball from the bag. Which of the following could be the probability that Min picked a white ball?
workedSolution
Any probability must be between 0 and 1. $\therefore$ Only possibility is {{{correctAnswer}}}
correctAnswer
$\dfrac{1}{14}$

Answers

Is Correct?Answer
✓

114\dfrac{1}{14}

x

4

x

1411\dfrac{14}{11}

x

2.3

Tags

  • staging_suejones