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for more. Submit and End You can retry this question below You roll a die, winning nothing if the number of spots is odd, $1 for a 2 or a 4, and $9 for a 6. Round your andwers to 3 decimal places (a] Find the expected value and standard deviation of your prospective winnings. The expected value is 3.5 . the standard deviation is (b) You play twice. Find the mean of your total winnings. The mean is Check Answer acer 96 5