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Help please! Exercise 1. Assume the joint probability mass func- tion for two variables X and Y is given below: XY 2 5 7 0.08

Help please!

Exercise 1. Assume the joint probability mass func- tion for two variables X and Y is given below: XY 2 5 7 0.08 0.1 0.1 0.12 3 0.12 0.15 0.15 0.18 (A) Find the pmf for X. (B) Find the pmf for Y. (C) Find the mean of X. (D) Find the mean of Y. (E) Are X and Y independent? (F) Find E(XY )

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