Suppose that we roll a fair die seven times. Consider a die roll a "success" if we get a number less than 3. Let X be the random variable that counts the number of successful die rolls (out of the seven). Find the expected value of X. (Answer as a decimal number, and round to 3 decimal places.)

Suppose that we roll a fair die seven times. Consider a die roll a "success" if we get a number less than 3. Let X be the random variable that counts the number of successful die rolls (out of the seven). Find the expected value of X. (Answer as a decimal number, and round to 3 decimal places.)

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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Suppose that we roll a fair die seven times. Consider a die roll a "success" if we get a number less than 3. Let X be the random variable that counts the number of successful die rolls (out of the seven). Find the expected value of X.
(Answer as a decimal number, and round to 3 decimal places.)

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