Un estudiante de L'UNIF realiza su disertación sobre las preferencias del consumidor sobre los atributos del arroz. Escogió una muestra de 800 hogares de los 25,000 hogares involucrados en las áreas de estudio. Si Z = 1.96 y e = 5% determina el valor de p.

Acompany produces packets of soap powder labeled “giant size 32 ounces.” the actual weight of soap powder in such a box has a normal distribution with a mean of 33 oz and a standard deviation of 0.7 oz. to avoid having dissatisfied customers, the company says a box of soap is considered underweight if it weighs less than 32 oz. to avoid losing money, it labels the top 5% (the heaviest 5%) overweight. how heavy does a box have to be for it to be labeled overweight?