# Question

According to the U.S. Department of Agriculture, the average American consumed 54.3 pounds (approximately seven gallons) of salad and cooking oils in 2008 (www.ers.usda.gov/data/foodconsumption). Suppose that the current distribution of salad and cooking oil consumption is approximately normally distributed with a mean of 54.3 pounds and a standard deviation of 14.5 pounds. What percentage of Americans’ annual salad and cooking oil consumption is

a. Less than 10 pounds

b. Between 40 and 60 pounds

c. More than 90 pounds

d. Between 50 and 70 pounds]

a. Less than 10 pounds

b. Between 40 and 60 pounds

c. More than 90 pounds

d. Between 50 and 70 pounds]

## Answer to relevant Questions

Briefly describe the standard normal distribution curve. Find the value of z so that the area under the standard normal curve a. From 0 to z is (approximately) .1965 and z is positive b. Between 0 and z is (approximately) .2740 and z is negative c. In the left tail is ...According to the records of an electric company serving the Boston area, the mean electricity consumption during winter for all households is 1650 kilowatt-hours per month. Assume that the monthly electric consumptions ...Find the following binomial probabilities using the normal approximation. a. n = 140, p = .45, P(x = 67) b. n = 100, p = .55, P(52 < x < 60) c. n = 90, p = .42, P(x > 40) d. n = 104, p = .75, P(x < 72) Hurbert Corporation makes font cartridges for laser printers that it sells to Alpha Electronics Inc. The cartridges are shipped to Alpha Electronics in large volumes. The quality control department at Alpha Electronics ...Post your question

0