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]


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  • CreatedAugust 25, 2015
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