Let X = 1 if a randomly selected vehicle passes an emissions test and X = 0 otherwise. Then X is a Bernoulli rv with pmf p(1) = p and p(0) = 1 - p. %3D (a) Compute E(X?). E(X?) = P (b) Show that V(X)...

Can someone explain it to me why I’m getting wrong answer??!!!

Extracted text: Let X = 1 if a randomly selected vehicle passes an emissions test and X = 0 otherwise. Then X is a Bernoulli rv with pmf p(1) = p and p(0) = 1 - p. %3D (a) Compute E(X?). E(X?) = P (b) Show that V(X) = p(1 - p). V(X) = Ex )- [E(X)]? = p(1 - p) (c) Compute E(X84). E(X4) = P Need Help? Read It 3:31 PM ENG 令中 2/27/2022 DELL Esc E1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 PrtScr Insert Delete of # %24 & 1 2 3 4 5 6 Backspace 8 9 %3D Tab E R Y P Caps Lock A D G K L Enter Shift V B N M ? Shift Ctrl Fn Alt t PgUp Alt Ctrl 目 + Home PgDn End Inspiron 14 5000 2-in-1 14EMOR Touen Drnght ene otie huwm Aesve Pen MalliJurmemen OHE CRETA N