7.S13 WP A random variable x has probability density function f(x) = 2013 X² e-x/0 е 0 < x < ∞, 0 < 0 < ∞ Find the maximum likelihood estimator for O. 7.S14 Letf(x) = (1/0)x(1-0)/0,0
7.S13 WP A random variable x has probability density function f(x) = 2013 X² e-x/0 е 0 < x < ∞, 0 < 0 < ∞ Find the maximum likelihood estimator for O. 7.S14 Letf(x) = (1/0)x(1-0)/0,0
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter4: Eigenvalues And Eigenvectors
Section4.6: Applications And The Perron-frobenius Theorem
Problem 25EQ
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Answer questions 7.4.13, 7.4.14 and 7.4.15 respectively

Transcribed Image Text:7.S13 WP A random variable x has probability density function
f(x)
=
2013 X² e-x/0
е
0 < x < ∞,
0 < 0 < ∞
Find the maximum likelihood estimator for O.
7.S14 Letf(x) = (1/0)x(1-0)/0,0<x<1, and 0 <0 < ∞o. Show that
= (1/n) In(X;) is the maximum likelihood estimator for
e and that is an unbiased estimator for q.
i=1
7.S15 An electric utility has placed special meters on 10 houses
in a subdivision that measures the energy consumed (demand)
at each hour of the day. The company is interested in the energy
demand at one specific hour-the hour at which the system expe-
riences peak consumption. The data from these 10 meters are as
follows (in KW): 23.1, 15.6, 17.4, 20.1, 19.8, 26.4, 25.1, 20.5,
21.9, and 28.7. If µ is the true mean peak demand for the 10 houses
in this group of houses having the special meters, estimate μ.
Now suppose that the utility wants to estimate the demand at the
peak hour for all 5000 houses in this subdivision. Let 0 be this
quantity. Estimate 0 using the data given. Estimate the proportion
of houses in the subdivision that demand at least 20 KW at the
hour of system peak.
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