Given that x is a normal variable with mean ? = 109 and standard deviation ? = 11, find the following probabilities. (Round your answers to four decimal places.) (a) P(x ≤ 120) (b) P(x ≥ 80) (c) P(108 ≤ x ≤ 117)

Given that x is a normal variable with mean ? = 109 and standard deviation ? = 11, find the following probabilities. (Round your answers to four decimal places.) (a) P(x ≤ 120) (b) P(x ≥ 80) (c) P(108 ≤ x ≤ 117)

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

Given that x is a normal variable with mean ? = 109 and standard deviation ? = 11, find the following probabilities. (Round your answers to four decimal places.)

(a)  P(x ≤ 120)

(b)  P(x ≥ 80)

(c)  P(108 ≤ x ≤ 117)

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