X ~ N(70, 13). Suppose that you form random samples of 25 from this distribution. Let X be the random variable of averages. Let ΣX be the random variable of sums. Give the distribution of X. What does P(X < 70) equal? Find the 30th percentile. (Round your answer to two decimal places.)
X ~ N(70, 13). Suppose that you form random samples of 25 from this distribution. Let X be the random variable of averages. Let ΣX be the random variable of sums. Give the distribution of X. What does P(X < 70) equal? Find the 30th percentile. (Round your answer to two decimal places.)
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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X ~ N(70, 13). Suppose that you form random samples of 25 from this distribution. Let X be the random variable of averages. Let ΣX be the random variable of sums.
Give the distribution of X.
What does P(X < 70) equal?
Find the 30th percentile. (Round your answer to two decimal places.)
What does P(66 < X < 72) equal
What does P(32 < X < 67) equal
Give the distribution of ΣX.
Find the minimum value for the upper
What does P(1650 < ΣX < 1800) equal
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