E[y]=∑yp(y)=4(0.176)+(−1)(0.824) =−.12 dollar, so In one play the player is expected to lose 12% of a dollar.
HI, a right triangle is a triangle that has a 90 degree angle. the angle look similar to the letter l capitalized L then to complete this you will draw a diagonal line connecting the two points on the 90 angle. I Hope this could help.
Idk but those ppl r getting diabetes