Let X be normally distributed with mean = 120 and standard deviation = 20> a.
Question:
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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Related Book For
Essentials Of Business Statistics Communicating With Numbers
ISBN: 9780078020544
1st Edition
Authors: Sanjiv Jaggia, Alison Kelly
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