1. Let X1,. , Xn be iid N(0,0), and Y = E X}/n. ... (a) Find EY. (b) Find Var(Y).
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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![1. Let X1,.. , Xn be iid N(0,0), and Y = E1 X?/n.
(a) Find EY.
(b) Find Var(Y).](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F32637d78-b34d-49fd-8d4c-eaa9fac30c60%2F45747a36-62b9-443a-b00e-50b19981a1bc%2F9302fti_processed.png&w=3840&q=75)
Transcribed Image Text:1. Let X1,.. , Xn be iid N(0,0), and Y = E1 X?/n.
(a) Find EY.
(b) Find Var(Y).
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