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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 …

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 …
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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

Consider the probability distribution shown here. Complete parts a through c.-3- 2- 1P-example-1
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User Hwjp
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1 Answer

4 votes

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,


\begin{gathered} \mu=\sum ^{}_{}xp(x) \\ =-4(0.02)+(-3)(0.07)+(-2)(0.11)+(-1)(0.14)+0(0.33)+1(0.17)+2(0.09)+3(0.06)+4(0.01) \\ =-0.08 \end{gathered}

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User Sojan Jose
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