X P(x) 0 0.3
1 0.3
2 0.1
3 0.3
Find the mean of this probability distribution. Round your answer to one decimal place.

Step-by-step explanation:

Given

The table shown above

Required

Determine the mean

Mean is calculated as thus:

In other words, sum the product of corresponding values of x and P(x)

For the given table, we have:

Hence, the mean of the distribution is 1.4

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Define your variables,

Let X be your Angle

Then 180 - X is your Supplement

and 90 - X is your complement

Now you need to put these into an equation, this particular word probled does not have the equal sign "IS" however, the word measure0-xs, is the same, so that is where your = sign will go.

Your Equation should be...

180-x=2*(90-x)+28

Distribute

180-x=180-2x=28

Subtract 180 From Both Sides and add 2X to Both Sides

X+=+28

Your angle is 28, the Supplement is 152 and your Complement is 62