IXL - Graph a discrete probability distribution (Geometry practice)

The table below shows the probability distribution of a random variable

X	P ( X )
58	0.1
59	0.1
60	0.1
61	0.1
62	0.1
63	0.1
64	0.1
65	0.1
66	0.1
67	0.1

Complete the graph of the probability distribution of

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

(

)

ref_doc_title.

Learn with an example

question

The table below shows the probability distribution of a random variable

X	P ( X )
14	0.1
15	0.2
16	0.1
17	0.4
18	0.1
19	0.1

Complete the graph of the probability distribution of

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

(

)

key idea

A random variable is a function that assigns a numerical value to each outcome in a sample space. Note that though random variables are functions, they are usually denoted by letters like

is a random variable,

(

)

(

)

is the probability that

takes the value

The function that maps

(

)

is the probability distribution of

A probability distribution is frequently represented as an equation, table, or graph.

solution

For each missing value of

graph a bar with height

(

)

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

(

)

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