Topics
7. Discrete random variables
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AustraliaWA
Year 12

7.02 Discrete probability distributions

Lesson
Worksheet
Practice

Interactive practice questions

Is the following a probability distribution?

$x$x $2$2 $4$4 $6$6 $8$8
$p\left(x\right)$p(x) $0.2$0.2 $0.4$0.4 $0.6$0.6 $0.8$0.8

No

A

Yes

B
Easy
< 1min

Is the following a probability distribution?

Easy
< 1min

Is the following a probability distribution?

Easy
< 1min

Is the following a probability distribution?

Easy
< 1min
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Outcomes

3.3.1

develop the concepts of a discrete random variable and its associated probability function, and their use in modelling data

3.3.2

use relative frequencies obtained from data to obtain point estimates of probabilities associated with a discrete random variable

3.3.3

identify uniform discrete random variables and use them to model random phenomena with equally likely outcomes

3.3.4

examine simple examples of non-uniform discrete random variables

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