please help woth both!!

4. [-11 Points] DETAILS WANEFMAC7 9.3.012.0/50 Submissions Used Calculate the expected value of X, E(X), for the given probability distribution. 1 2. 3 4 P(X = x) 0.5 0.2 0.1 0.2 E(X) = Need Help? Read It Watch It 5. [-/1 Points] DETAILS WANEFMAC7 9.3.014. 0/50 Submissions Used Calculate the expected value of X, E(X), for the given probability distribution X N 4 4 6 8 P(X = x) 4 20 14 20 1 20 1 20 E(X)