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The random variable X takes on the values of 2, 5, n, and 15. The probability distribution of X is shown in the following table. X 2 5 P(X) 0.1 0.4 The expected value of X is 9.1. What is the value of n? n 0.2 15 0.3

The random variable X takes on the values of 2, 5, n, and 15. The probability distribution of X is shown in the following table. X 2 5 P(X) 0.1 0.4 The expected value of X is 9.1. What is the value of n? n 0.2 15 0.3

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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WHAT IS THE CORRECT ANSWER

A) 8

B) 8.52

C) 10

D) 12

E) 14.4

The random variable X takes on the values of 2, 5, n, and 15. The probability distribution of X is shown in the following table. X 2 5 P(X) 0.1 0.4 The expected value of X is 9.1. What is the value of n? n 0.2 15 0.3
Transcribed Image Text:The random variable X takes on the values of 2, 5, n, and 15. The probability distribution of X is shown in the following table. X 2 5 P(X) 0.1 0.4 The expected value of X is 9.1. What is the value of n? n 0.2 15 0.3
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