Answered: Given a normally distributed variable X…

Given a normally distributed variable X with mean 18 and standard deviation 2.5, find: (a) P(X<5). (b) The value ofk such that P(Xk)=0.1814. (d) P(17

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Estimation

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Question

Given a normally distributed variable X with mean 18 and standard deviation 2.5,
find:
(a) P(X<5).
(b) The value ofk such that P(X<k)=0.2236.
(c) The value ofk such P(X>k)=0.1814.
(d) P(17<X<21).

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