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I'm not sure how to find the expected value, variance, and standard deviation on this one HW9: Problem 4 Previous Problem Problem List Next Problem

I'm not sure how to find the expected value, variance, and standard deviation on this one

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HW9: Problem 4 Previous Problem Problem List Next Problem (1 point) Let z be the number of heads when a coin is tossed 2 times What is the expected value E()? What is the variance V (I)? What is the standard deviation o? Note: You can earn partial credit on this problem Preview My Answers Submit Answers You have attempted this problem 0 times You have 10 attempts remaining Show Past Answers arch O W

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