Erica has a number cube, labeled 1 through 6 . she will roll the cube 300 times .how many times should erica expect the cube to land on the number 5

Answer asap! show all work! find the number of complex roots, the possible number of real roots and the possible rational roots of the polynomial function. then, solve for all roots. x^3 + 2x^2 + 3x + 6 = 0