Mathematics, 30.10.2020 18:00 sophiav9780
Find the standard deviation of this probability distribution. Give your answer to at least 2 decimal placesxP(x)00.310.120.230.4
Answers: 3
1 4 9 16 25 ![E(X) = \sum [x * P(x)]](/tpl/images/0855/6621/8cd07.png)
![E(X^2) = \sum [X^2 * P(x)]](/tpl/images/0855/6621/66de3.png)
![V(X) = E(X^2) - [E(X)]^2](/tpl/images/0855/6621/5dcad.png)
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Find the standard deviation of this probability distribution. Give your answer to at least 2 decimal...
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