A) the average height of sunflowers in a field is 64 inches with a standard deviation of 3.5 inches. describe a normal curve for the distribution, including the values on the horizontal axis at one, two, and three standard deviations from the mean. b) if there are 3,000 plants in the field, approximately how many will be taller than 71 inches?

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?