Consider the following table: Value of X Probability -3 0.2 -1 d 2 0.4 3 0.2 1. What is the value of d? 2. Find the expected value of X?

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section: Chapter Questions
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Consider the following table: Value of X Probability -3 0.2 -1 d 2 0.4 3 0.2 1. What is the value of d? 2. Find the expected value of X?
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