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12. [-/6.66 Points] DETAILS WACKERLYSTAT7 4.3.021. MY NOTES ASK YOUR TEACHER Y has a density function F(y ) = Zy5 + y, Osys 1, ON

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12. [-/6.66 Points] DETAILS WACKERLYSTAT7 4.3.021. MY NOTES ASK YOUR TEACHER Y has a density function F(y ) = Zy5 + y, Osys 1, ON elsewhere. Find the mean and variance of Y. (Round your answers to four decimal places.) E()) = v()) = Need Help? Read It 13. [-/6.66 Points] DETAILS WACKERLYSTAT7 4.3.025. MY NOTES ASK YOUR TEACHER Y has a distribution function 0 , ySO, y F(y) = 16 0

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