Let X be a r.v. with mean 4 and variance 5. Find an upper bound forP (X − 4 ≥ 8 ∪ X − 4 ≤ −8). (Hint: The condition that one inequality holds OR the otherholds can be combined into a single inequality via absolute value.)

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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 Let X be a r.v. with mean 4 and variance 5. Find an upper bound for
P (X − 4 ≥ 8 ∪ X − 4 ≤ −8). (Hint: The condition that one inequality holds OR the other
holds can be combined into a single inequality via absolute value.)

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