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Australia
Year 9

8.03 Two-step experiments

Interactive practice questions

A standard six-sided die is rolled twice. Find the probability of:

a

rolling a $3$3 and a $6$6 in any order.

b

rolling a $3$3 and then a $6$6

Easy
2min

Mr and Mrs Smith are starting a family.

When having each child, they assume that having a girl is just as likely as having a boy.

Medium
2min

Consider tossing a normal fair coin.

Medium
2min

A coin is tossed twice.

Medium
1min
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Outcomes

ACMSP225

List all outcomes for two-step chance experiments, both with and without replacement using tree diagrams or arrays. Assign probabilities to outcomes and determine probabilities for events

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