A Company Produces Packets of Soap Powder Labeled "Giant Size

Multiple Choice

A company 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. What proportion of boxes is underweight (weighs less than 32 oz) ?

A) 0.0764
B) 0.2420
C) 0.7580
D) 0.9236