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Please see attached. thank you!! Q10 If variables X and Y have correlations 0.81 and covariance 12.4, and if X has variance 4.3, What is

Please see attached. thank you!!

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Q10 If variables X and Y have correlations 0.81 and covariance 12.4, and if X has variance 4.3, What is the variance of Y? Q3 Let g be the mixture distribution: g(x) = 0.7 X fN(0,4) (2) + 0.3 x fN (0,36) (2 ) If X follows that distribution, calculate P(X

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