1. Given a random variable X with a mean of 20, a variance of 9, and a random sample of n taken from the distribution, what sample size (n) is necessary in order that P(19.9 < X̄ < 20.1) = 0.95? A. 3,600 B. 4,000 C. 25.36% D. 0% E. 2.75; 0.10 F. Not among the choices G. 3.78; 0.15 H. 33.40% I. 8.38% PLEASE answer within the choices only

1. Given a random variable X with a mean of 20, a variance of 9, and a random sample of n taken from the distribution, what sample size (n) is necessary in order that P(19.9 < X̄ < 20.1) = 0.95? A. 3,600 B. 4,000 C. 25.36% D. 0% E. 2.75; 0.10 F. Not among the choices G. 3.78; 0.15 H. 33.40% I. 8.38% PLEASE answer within the choices only

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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3. Assuming that the samples comes from normal distributions, find the margin of error E, given the following: a. n 12, X= 18, s = 3.0, 95% confidence b. n 16, X= 48, s = 3.2, 95% confidence C. n = 18, X= 78.3, s= 2.5, 95% confidence d. n= 23, X 80.4, s= 3.6, 99% confidence n = 26, X= 90.8, s= 2.8, 99% confidence e.
MN.27.
Answer number 3 to 5 pls. I don't want to waste my money here
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T. Q 4.
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