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
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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.)

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.)
Transcribed Image Text: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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