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. 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 quartile for ΣX. What does P(1650 < ΣX < 1800) equal

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. 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 quartile for ΣX. What does P(1650 < ΣX < 1800) equal

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

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.

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 quartile for ΣX.

What does P(1650 < ΣX < 1800) equal

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