Calculus and Above

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Let X ∼Γ(α,β), which has p.d.f. fX(x)= βα xα−1e−βxI(0,∞)(x),
Let X ∼Γ(α,β), which has p.d.f. fX(x)= βα xα−1e−βxI(0,∞)(x), where Γ(ω):=􏰁∞vω−1e−vdv is the Γ(α) 0 Gamma function, for ω > 0. 1. Compute the moment generating function of X. [5 points] [Hint: 􏰁0∞… read more
MunishK
Assistant Professor
M. Sc Mathematica
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Consider a random sample X1,X2,…,Xn from a random variable
Consider a random sample X1,X2,…,Xn from a random variable X, and the following estimator:θ^=∑ni=1X2inWhich of the following statements are correct?(multiple choices allowed)Select one or more: a. The… read more
Kofi
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The following data are an i.i.d. sample from a Cauchy(θ, 1)
The following data are an i.i.d. sample from a Cauchy(θ, 1) distribution: 1.77, −0.23, 2.76, 3.80, 3.47, 56.75, −1.34, 4.24, −2.44, 3.29, 3.71, −2.40, 4.53, −0.07, −1.05, −13.87, −2.53, −1.75, 0.27, 4… read more
Mr. Gregory White
Master's Degree
Master's Degree
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I have some equations I am trying to figure out and verify
I have some equations I am trying to figure out and verify if I am right but I will like the equations to be attached, how do I get these equations to the expert… read more
Mr. Gregory White
Master's Degree
Master's Degree
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1. (a) Use the definition of moment generating functions to
1. (a) Use the definition of moment generating functions to show that if MX(t) is the mgf of a continuous random variable X, then if Y = (X+a)/b, MY (t) = e^(a/b)t MX(t/b) ￼￼ (b) Choose appropriate co… read more
Expert
Hello- I have a multiple choice college algebra homework
Hello- I have a multiple choice college algebra homework that I need assistance with. I need the exam by the end of the day today. Preferably no later than 9pm EST, which should be plenty of time to c… read more
akch2002
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Hello- I have some College Algebra questions that I need
Hello- I have some College Algebra questions that I need help with. Below is the link to the questions. Thanks in advance. http://www.mediafire.com/view/r4izfj1tu869pzi/College_Algebra_homework.docx… read more
homeworkhelp111
Bachelor's Degree
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Question 1 Find the average rate of change of the function
Question 1 Find the average rate of change of the function from x1 to x2. f(x) = 3x from x1 = 0 to x2 = 5 A. -4 B. 8 C. 2 D. 3 Question 2 Give the slope and y-intercept of each line whose equation is … read more
Ryan
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The Pareto distribution, with parameters α and β, has pdf
The Pareto distribution, with parameters α and β, has pdf f(x)=(βα^β)/x^(β+1) ,α0. a)Verify that f(x) is a pdf. b) Derive the mean and variance of the distribution. c) Prove that variance does not exi… read more
rajeevanpillai
Master's Degree
Master's Degree
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Now we will use this formula to calculate successive approximation
Now we will use this formula to calculate successive approximation in the following example. We will keep track of the approximation in a table. Consider the equation: f(x)=4x^4-4x^2 (fill in the deci… read more
Math-John
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Let Xi,i=1,2,...,n be a random sample from the distribution
Let Xi,i=1,2,...,n be a random sample from the distribution having pdf f(x,Q1,Q2)=(1/Q2)e^(-(x-Q1)/Q2) , Q1<= X < +infinity , -infinity < Q1 0. Find the Maximum Likelihood Estimators (MLEs) … read more
rajeevanpillai
Master's Degree
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Let Xi, i=1,2,...,n be random sample from the population distributed
Let Xi, i=1,2,...,n be random sample from the population distributed as a gamma (a,b) distribution with a known. (a) What is E(1/X)? (b) Use this to find the best unbiased estimator of (1/b).… read more
rajeevanpillai
Master's Degree
Master's Degree
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Let X1,X2,...,Xn be a random sample from a population with
Let X1,X2,...,Xn be a random sample from a population with pdf fX(x)=1/Q if 0… read more
statwaves
Master's Degree
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Consider an exponential distribution with parameter b>0, i.e.
Consider an exponential distribution with parameter b>0, i.e. its pdf is f(x/B) = (1/B) EXP(-x/B) , IF x>=0 . show that the random variable Y=X^(1/L) where L>0 has a Weibull distribution with… read more
statwaves
Master's Degree
Doctoral Degree
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Susan Athena Exercise 5 In random samples of 25 from
Susan Athena Exercise 5 In random samples of 25 from each of two normal populations, we found the following statistics: X1 = 524 S1 = 129 X2 = 469 S2 = 141 a. Estimate the difference between the two p… read more
SusanAthena
Master's Degree
Master's Degree
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These questions were already submitted (911 days ago). I now
These questions were already submitted (911 days ago). I now have the same assignment, I would like the answers to these following questions: Chapter 3 88. Refer to the Baseball 2005 data, which repor… read more
SusanAthena
Master's Degree
Master's Degree
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As normal, could you please show workings with the answers please. (and explanations if you think it will go over my head... 2 coins are selected from a box containing four coins: a \$1, two 50-cent co… read more
statwaves
Master's Degree
Doctoral Degree
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X are iid random variables with symmetrical distribution f(x),
X are iid random variables with symmetrical distribution f(x), mu and sigma. Minimize the sum of absolute value of (Xi - b) wrt b. b turns out to be the median but how do we get there?… read more
Stevewh
Teacher
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