Question

Find the expected value E(x) Of the following data round your answer to one decimal place

Answer 1

Given

The data,

To find:

The expected value.

Step-by-step explanation:

It is given that,

That implies,

Expected value of the given data is,

`\begin{gathered} EV=3*0.1+4*0.3+5*0.3+6*0.1+7*0.2 \\ =0.3+1.2+1.5+0.6+1.4 \\ =5 \end{gathered}`

Hence, the expected value of the given data is 5.