Probability, NAPX-p167455v01

Question

A bag of coloured balls contains 12 blue balls, 10 white balls, 6 black balls, 2 red balls, and 8 orange balls.

Kimberly grabs a ball from the bag without looking.

What is the probability that she grabs an orange ball?

Worked Solution
PP(orange) = Total orange ballsTotal balls\dfrac{\text{Total orange balls}}{\text{Total balls}}
= 812+10+6+2+8\dfrac{8}{12+10+6+2+8}
= 838\dfrac{8}{38}
= {{{correctAnswer}}}

Variant 0

DifficultyLevel

562

Question

A bag of coloured balls contains 12 blue balls, 10 white balls, 6 black balls, 2 red balls, and 8 orange balls.

Kimberly grabs a ball from the bag without looking.

What is the probability that she grabs an orange ball?

Worked Solution
PP(orange) = Total orange ballsTotal balls\dfrac{\text{Total orange balls}}{\text{Total balls}}
= 812+10+6+2+8\dfrac{8}{12+10+6+2+8}
= 838\dfrac{8}{38}
= 419\dfrac{4}{19}

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
correctAnswer
$\dfrac{4}{19}$

Answers

Is Correct?Answer
x

35\dfrac{3}{5}

x

517\dfrac{5}{17}

x

821\dfrac{8}{21}

✓

419\dfrac{4}{19}

Tags