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Let X be the mean of a random sample of 121 elements taken from an infinite population with mean 10.8 and variance 23.04. Find the standard deviation of X correct up to 3 decimal places. O 0.209 O 0.400 O 0.436 O 0.040

Let X be the mean of a random sample of 121 elements taken from an infinite population with mean 10.8 and variance 23.04. Find the standard deviation of X correct up to 3 decimal places. O 0.209 O 0.400 O 0.436 O 0.040

MATLAB: An Introduction with Applications
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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Question 3 Let X be the mean of a random sample of 121 elements taken from an infinite population with mean 10.8 and variance 23.04. Find the standard deviation of X correct up to 3 decimal places. Not yet answered Marked out of 1.00 P Flag question O 0.209 O 0.400 O 0.436 O 0.040 Question 4 Let X, Y and Z be independent random variables each having the standard normal probability distribution. Then P( X2 + Y2 + z? < 9.348)= Not yet answered Marked out of 1.00 P Flag question Answer:
Transcribed Image Text:Question 3 Let X be the mean of a random sample of 121 elements taken from an infinite population with mean 10.8 and variance 23.04. Find the standard deviation of X correct up to 3 decimal places. Not yet answered Marked out of 1.00 P Flag question O 0.209 O 0.400 O 0.436 O 0.040 Question 4 Let X, Y and Z be independent random variables each having the standard normal probability distribution. Then P( X2 + Y2 + z? < 9.348)= Not yet answered Marked out of 1.00 P Flag question Answer:
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