3. It holds true that What are a and b? Ex[(x − 2)²] = Ex[x²] − a · Ex[x] + b. - -

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Hi I just need question 3 and 4

3. It holds true that
Ex[(x − 2)²] = Ex[x²] — a · Ex[x] + b.
What are a and b?
4. Prove that the maximum likelihood decision is maximum a posteriori, too, if Ps(s)
is constant.
Transcribed Image Text:3. It holds true that Ex[(x − 2)²] = Ex[x²] — a · Ex[x] + b. What are a and b? 4. Prove that the maximum likelihood decision is maximum a posteriori, too, if Ps(s) is constant.
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