The monthly salary of women that are in the labor force in a large town, Y, follows a gamma distribution with expected value 500 and variance 125. The city is planning to obtain a random sample of 100 women to obtain some information. The city is planning to ask the 100 women about their salary. O What is the probability that the average salary of the 100 women in the sample is larger than 1,500? (i) If, in this town, 20% of the women have a monthly salary larger than 3,000, what is the probability that in the random sample of 100 women more than 20% of them make a salary larger than 3,000? Show work. (ii) Would W = (4/100) E, yi be an unbiased estimator of the average salary of the women in the large town? (Note: "unbiased" means that the expected value of W equals the mean of the population of women,.) (iv) What is the joint distribution of the 100 random variables with the same density function as in this problem?
The monthly salary of women that are in the labor force in a large town, Y, follows a gamma distribution with expected value 500 and variance 125. The city is planning to obtain a random sample of 100 women to obtain some information. The city is planning to ask the 100 women about their salary. O What is the probability that the average salary of the 100 women in the sample is larger than 1,500? (i) If, in this town, 20% of the women have a monthly salary larger than 3,000, what is the probability that in the random sample of 100 women more than 20% of them make a salary larger than 3,000? Show work. (ii) Would W = (4/100) E, yi be an unbiased estimator of the average salary of the women in the large town? (Note: "unbiased" means that the expected value of W equals the mean of the population of women,.) (iv) What is the joint distribution of the 100 random variables with the same density function as in this problem?
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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