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Australia
Year 8

9.02 Probability with numbers

Interactive practice questions

A bag contains red marbles and blue marbles.

If the probability of drawing a red marble is $\frac{28}{51}$2851, what is the probability of drawing a blue marble?

Easy
< 1min

Consider this list of numbers:

$2,2,2,3,3,3,4,4,5,5,5,7,7,7,7,9,9$2,2,2,3,3,3,4,4,5,5,5,7,7,7,7,9,9

Easy
1min

The probability of the local football team winning their grand final is $0.36$0.36.

Easy
< 1min

The probability that it hails today is $0.43$0.43.

Easy
< 1min
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Outcomes

ACMSP204

Identify complementary events and use the sum of probabilities to solve problems

ACMSP205

Describe events using language of 'at least', exclusive 'or' (A or B but not both), inclusive 'or' (A or B or both) and 'and'.

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