Let X be a random variable with the following probability distribution.Value x of XP (X = x)40.2550.1060.2070.3580.0590.05Complete the following.(a) Find the expectationE(X) of X.E(X) = ____(b) Find the variance Var(X) of X.Var(X) = ____image attached bellow for better view Let X be a random variable with the following probability distribution.Value x of X P(X=x)4567890.250.100.200.350.050.05Complete the following. (If necessary, consult a list of formulas.)(a) Find the expectation E (X) of X.E (X) = [(b) Find the variance Var(X) of X.Var (X) =

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Let X be a random variable with the following probability distribution. Value x of X P(X=x) 4 5 6 7 8 9 0.25 0.10 0.20 0.35 0.05 0.05 Complete the following. (If necessary, consult a list of formulas.) (a) Find the expectation E (X) of X. E (X) = [ (b) Find the variance Var(X) of X. Var (X) =

Let X be a random variable with the following probability distribution. Value x of X P(X=x) 4 5 6 7 8 9 0.25 0.10 0.20 0.35 0.05 0.05 Complete the following. (If necessary, consult a list of formulas.) (a) Find the expectation E (X) of X. E (X) = [ (b) Find the variance Var(X) of X. Var (X) =

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Question

100%

Let X be a random variable with the following probability distribution.

Value x of X	P (X = x)
4	0.25
5	0.10
6	0.20
7	0.35
8	0.05
9	0.05

Complete the following.

(a) Find the expectation

E(X) of X.

E(X) = ____

(b) Find the variance Var(X) of X.

Var(X) = ____

image attached bellow for better view

Let X be a random variable with the following probability distribution.
Value x of X P(X=x)
4
5
6
7
8
9
0.25
0.10
0.20
0.35
0.05
0.05
Complete the following. (If necessary, consult a list of formulas.)
(a) Find the expectation E (X) of X.
E (X) = [
(b) Find the variance Var(X) of X.
Var (X) =

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