MATH 150-Using alpha = 0.05, test claim that proportion of preschool
Using alpha = 0.05, test claim that proportion of preschool children with protein deficient diets is less than 75% if in a sample of 200, 120 were deficient.
H0 : mu = 0.75 H1 : mu < 0.75
Critical values z = -1.645 Rejection region: z < -1.645
