# hw7 - Business and Economics Statistics I Homework 7 Due...

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Business and Economics Statistics I Homework 7 Due October 16 1. The average number of acres burned by forest and range fires in a large New Mexico country is 4,300 acres per year with a standard deviation of 750 acres. The distribution of the number of acres burned is normal. a. Compute the probability in any year that more than 5,000 acres will be burned. _____________________ b. Determine the probability in any year that fewer than 4,000 acres will be burned. _____________________ c. What is the probability that between 2,500 and 4,200 acres will be burned? _____________________ d. In those years when more than 5,500 acres are burned, help is needed from adjoining counties’ fire teams. Determine the probability that help will be needed in any year. _____________________ 2. The Nelson Company makes the machines that automatically dispense soft drinks into cups. Many national fast-food chains such as McDonald’s and Burger King use these machines. A study by the company shows that the actual volume

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## This note was uploaded on 04/23/2008 for the course 40 256 taught by Professor Bowman during the Fall '07 term at Bloomsburg.

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hw7 - Business and Economics Statistics I Homework 7 Due...

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