(a) Let X,, N. X be a random sample of size 10 from N(0, o). Find a conslal .... A so that R A(X,-X)/ V has a t-distribution. How many degrees of freedom are associated with the t-distribution? Suppose the mean of the nomal distribution is unknown, explain the effect on R. What changes, if any, would you make on R in order for it to follow a t-distribution? (b) Find P(2y² -32Y +127.968 s0) if Y has a normal distribution with µ-8 and o - 1. (c) Let S' be the variance of a random sample of size 21 from a normal distribution with mea riance 40 Find P6282 < S < 68.34).
(a) Let X,, N. X be a random sample of size 10 from N(0, o). Find a conslal .... A so that R A(X,-X)/ V has a t-distribution. How many degrees of freedom are associated with the t-distribution? Suppose the mean of the nomal distribution is unknown, explain the effect on R. What changes, if any, would you make on R in order for it to follow a t-distribution? (b) Find P(2y² -32Y +127.968 s0) if Y has a normal distribution with µ-8 and o - 1. (c) Let S' be the variance of a random sample of size 21 from a normal distribution with mea riance 40 Find P6282 < S < 68.34).
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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