Write the formula for the volume of a cone V = Tr’h in terms of h to find the height h of a cone with volume V = 327 cm and radius r = 4 cm.

Calculate the mean value (expected value) of the following discrete variable x (10 points): x = 0, 1, 2, 3, 4, 5, 6 p(x) = 0.2, 0.2, 0.15, 0.15, 0.15, 0.1, 0.05