Let X be normally distributed with mean 120 and standard deviation 20 a Find P(X 86) b Find P(80 X 100) c Find x such that P(X x) 0 40 d Find x such that P(X x) 0 90 ...

Let X be normally distributed with mean = 120 and standard deviation = 20> a.

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Let X be normally distributed with mean µ = 120 and standard deviation σ = 20>

a. Find P(X ≤ 86)>

b. Find P(80 ≤ X ≤ 100)>

c. Find x such that P(X ≤ x) = 0.40>

d. Find x such that P(X>x) = 0.90>

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Essentials Of Business Statistics Communicating With Numbers

ISBN: 9780078020544

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Authors: Sanjiv Jaggia, Alison Kelly

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Question Posted: Jan 28, 2015 09:33 AM

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Let X be normally distributed with mean = 120 and standard deviation = 20> a.

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a b c Given we f...View the full answer

Essentials Of Business Statistics Communicating With Numbers

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