Question

Consider the probability distribution shown here. Complete parts a through c.-3- 2- 1P(x)0.020.070.14X-40.1100.3310.1720.0930.0640.01a. Calculate , o' and ou=(Round to two decimal places as needed.)A

Answer 1

Given:

The probability distribution is,

`\begin{gathered} x=-4,-3,-2,-1,0,1,2,3,4 \\ p(x)=0.02,0.07,0.11,0.14,0.33,0.17,0.09,0.06,0.01 \end{gathered}`

The mean is calculated as,