pg 329 5.1.9 > 20, -∞ <<∞,Page 327, 5.1.9.* For X₁, . . .,Xn be iid random variables with common pdf f(x) = exp{-(x−20)}, ×f(x) = 0, elsewhere. This pdf is called the shifted exponential, shifted by 20.min{X₁,...,Xn}, obtain the mean of Yn. Is Yn an unbiased estimator of 20?Obtain an unbiased estimator of 20 based on Yn.Let Yn=

Given pdf f(x)=e-(x-2θ) ; x≥2θ

Page 327, 5.1.9.* For X₁, ...,Xn be iid random variables with common pdf f(x) = exp{-(x-20)}, x > 20, , -∞ < 0 < ∞, f(x) = 0, elsewhere. This pdf is called the shifted exponential, shifted by 20. Let Y₁ = min{X₁, ...,Xn}, obtain the mean of Yn. Is Yn an unbiased estimator of 20? Obtain an unbiased estimator of 20 based on Y

Page 327, 5.1.9.* For X₁, ...,Xn be iid random variables with common pdf f(x) = exp{-(x-20)}, x > 20, , -∞ < 0 < ∞, f(x) = 0, elsewhere. This pdf is called the shifted exponential, shifted by 20. Let Y₁ = min{X₁, ...,Xn}, obtain the mean of Yn. Is Yn an unbiased estimator of 20? Obtain an unbiased estimator of 20 based on 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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ork: Chapter 8 (Sectio x Question 2 - 8-3 Homework: Cha X A ezto.mheducation.com/ext/map/index.html?_con3con&external_browser=D0&launchUrl=https%253A%252F%252Fnewconnect.mheducation gin Saved Help 3-3 Homework: Chapter 8 (Sections 8.4 through... i (a) Find the standard error of the mean for each sampling situation (assuming a normal population). (Round your answe places.) Standard Error points (a) o = 6, n = 9 (b) o = 6, n = 36 eBook (c) o = 6, n = 144 Ask (b) What happens to the standard error each time you quadruple the sample size? Print References The standard error is (Click to select) by half. Mc Graw Hill
for question a) can you explain how you got to the joint pmf thnks
A parent downloads an app that allows him to monitor the amount of screen time his child is using on the phone. The child claims that she is only using 1 hour per day on the phone on average, but the app, over the course of 47 days, finds that the child used an average of 1.2 hours per day. The parent wants to know if the child is using an average of 1 hour per day for all days of use. a) The 1.2 is a/an: variable population parameter sample statistic observational unit b) The sample size is: 1 47 1.2 c) Each day is a/an: population parameter observational unit variable sample statistic
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In Part a) i followed the steps to the second last line of working, and then I calculated the answer as 7/24, not 47/24. Is this working wrong? am I wrong? please explain.
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