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. Round your answers to two decimal places. a. What percentage of Americans' annual salad and cooking oil consumption is less than 15 pounds? ! % b. What percentage of Americans' annual salad and cooking oil consumption is between 40 and 55 pounds? 35.88 c. What percentage of Americans' annual salad and cooking oil consumption is more than 90 pounds?
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. Round your answers to two decimal places. a. What percentage of Americans' annual salad and cooking oil consumption is less than 15 pounds? ! % b. What percentage of Americans' annual salad and cooking oil consumption is between 40 and 55 pounds? 35.88 c. What percentage of Americans' annual salad and cooking oil consumption is more than 90 pounds?
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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I'm unsure how to solve part a and part c
Transcribed Image Text: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.
Round your answers to two decimal places.
a. What percentage of Americans' annual salad and cooking oil consumption is less than 15 pounds?
i
!
%
b. What percentage of Americans' annual salad and cooking oil consumption is between 40 and 55 pounds?
35.88
%
c. What percentage of Americans' annual salad and cooking oil consumption is more than 90 pounds?
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