Probability, NAPX-p169473v02

Question

{{{question}}}

Worked Solution

{{{workedSolution}}}

Variant 0

DifficultyLevel

523

Question

Noel has a bowl full of red chewing gum balls and blue chewing gum balls.

The chance of randomly picking a red chewing gum ball is 85%.

What is the probability of randomly picking a blue chewing gum ball?

Worked Solution

PP(red) + PP(blue) = 100%
∴ P\therefore\ P(blue) = 100 − 85100 \ − \ 85
= 15%

Question Type

Answer Box

Variables

Variable nameVariable value
question
Noel has a bowl full of red chewing gum balls and blue chewing gum balls. The chance of randomly picking a red chewing gum ball is 85%. What is the probability of randomly picking a blue chewing gum ball?
workedSolution
sm_nogap $P$(red) + $P$(blue) = 100%
| | | | ------------: | ---------- | | $\therefore\ P$(blue) | \= $100 \ − \ 85$ | | | = {{{correctAnswer0}}}{{{suffix0}}} |
correctAnswer0
15
prefix0
suffix0
%

Answers

Specify one or more 'ANSWER' block(s) as exampled below.
Note: correctAnswer is required, the rest are optional. ("correctAnswer" is what the student would need to type in to the box to get the answer correct.)

For example:
correctAnswer: 123.40

And optionally, specify the following, but only if you need something different to the defaults: 'width' defaults to 5 if not present, and valid values are 3 to 10; 'prefix' and 'suffix' default to nothing if not present.
prefix: $
suffix: mm$^2$
width: 5

correctAnswerNcorrectAnswerValueAnswer
correctAnswer015

%

Variant 1

DifficultyLevel

523

Question

Tristan's laundry has a lost clothing basket that contains only black and white socks.

The probability of randomly picking a black sock from the basket is 35%.

What is the probability of randomly picking a white sock?

Worked Solution

PP(white) + PP(black) = 100%
∴ P\therefore\ P(white) = 100 − 35100 \ − \ 35
= 65%

Question Type

Answer Box

Variables

Variable nameVariable value
question
Tristan's laundry has a lost clothing basket that contains only black and white socks. The probability of randomly picking a black sock from the basket is 35%. What is the probability of randomly picking a white sock?
workedSolution
sm_nogap $P$(white) + $P$(black) = 100%
| | | | ------------: | ---------- | | $\therefore\ P$(white) | \= $100 \ − \ 35$ | | | \= {{{correctAnswer0}}}{{{suffix0}}} |
correctAnswer0
65
prefix0
suffix0
%

Answers

Specify one or more 'ANSWER' block(s) as exampled below.
Note: correctAnswer is required, the rest are optional. ("correctAnswer" is what the student would need to type in to the box to get the answer correct.)

For example:
correctAnswer: 123.40

And optionally, specify the following, but only if you need something different to the defaults: 'width' defaults to 5 if not present, and valid values are 3 to 10; 'prefix' and 'suffix' default to nothing if not present.
prefix: $
suffix: mm$^2$
width: 5

correctAnswerNcorrectAnswerValueAnswer
correctAnswer065

%

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