Let E(Y|X = x) = 2x and var(Y|X = x) = 4x², and let X have p. d. f.f(x) = {',;"s1,0 < x <10, e.w.Then the variance of Y is

Name: Let E(Y|X = x) = 2x and var(Y|X = x) = 4x², and let X have p. d. f.f(
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Description: Let E(Y|X = x) = 2x and var(Y|X = x) = 4x², and let X have p. d. f.f(x) = {',;"s1,0 < x <10, e.w.Then the variance of Y is

Given, E(Y/X=x)=2xvar(Y/X=x)=4x2 f(x)=1, 0<x<10, e.w

Answered: Then the variance of Y is

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Statistics

Then the variance of Y is

Trigonometry (MindTap Course List)

10th Edition

ISBN:9781337278461

Author:Ron Larson

Publisher:Ron Larson

ChapterP: Prerequisites

SectionP.6: Analyzing Graphs Of Functions

Problem 6ECP: Find the average rates of change of f(x)=x2+2x (a) from x1=3 to x2=2 and (b) from x1=2 to x2=0.

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Concept explainers

Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.

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Let E(Y|X = x) = 2x and var(Y|X = x) = 4x², and let X have p. d. f.
f(x) = {',;"
s1,0 < x <1
0, e.w.
Then the variance of Y is

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