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The average number of acres burned by forest and range fires in a large county is 3,900 acres per year, with a standard deviation of 550 acres. The distribution of the number of acres burned is normal. a. Compute the probability that more than 4,000 acres will be burned in any year. b. Determine the probability that fewer than 3,000 acres will be burned in any year. What is the probability that between 1,500 and 3,500 acres will be burned? d. In those years when more than 4,500 acres are burned, help is needed from eastern-region fire teams. Determine the probability help will be needed in any year. C. a. The probability that more than 4,000 acres will be burned is (Round to four decimal places as needed.) b. The probability that fewer than 3,000 acres will be burned is (Round to four decimal places as needed.) c. The probability that between 1,500 and 3,500 acres will be burned is (Round to four decimal places as needed.) d. The probability help will be needed is. (Round to four decimal places as needed.)

The average number of acres burned by forest and range fires in a large county is 3,900 acres per year, with a standard deviation of 550 acres. The distribution of the number of acres burned is normal. a. Compute the probability that more than 4,000 acres will be burned in any year. b. Determine the probability that fewer than 3,000 acres will be burned in any year. What is the probability that between 1,500 and 3,500 acres will be burned? d. In those years when more than 4,500 acres are burned, help is needed from eastern-region fire teams. Determine the probability help will be needed in any year. C. a. The probability that more than 4,000 acres will be burned is (Round to four decimal places as needed.) b. The probability that fewer than 3,000 acres will be burned is (Round to four decimal places as needed.) c. The probability that between 1,500 and 3,500 acres will be burned is (Round to four decimal places as needed.) d. The probability help will be needed is. (Round to four decimal places as needed.)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Round to 4 decimal places and need part D as well 

The average number of acres burned by forest and range fires in a large county is 3,900 acres per year, with a standard deviation of 550 acres. The distribution of the number of acres burned is normal. a. Compute the probability that more than 4,000 acres will be burned in any year. b. Determine the probability that fewer than 3,000 acres will be burned in any year. C. What is the probability that between 1,500 and 3,500 acres will be burned? d. In those years when more than 4,500 acres are burned, help is needed from eastern-region fire teams. Determine the probability help will be needed in any year. a. The probability that more than 4,000 acres will be burned is. (Round to four decimal places as needed.) b. The probability that fewer than 3,000 acres will be burned is (Round to four decimal places as needed.) c. The probability that between 1,500 and 3,500 acres will be burned is. (Round to four decimal places as needed.) d. The probability help will be needed is. (Round to four decimal places as needed.) (1,1) More Enter your answer in each of the answer boxes. MacBook Pro @ %24 & 2 3 4 6 7
Transcribed Image Text:The average number of acres burned by forest and range fires in a large county is 3,900 acres per year, with a standard deviation of 550 acres. The distribution of the number of acres burned is normal. a. Compute the probability that more than 4,000 acres will be burned in any year. b. Determine the probability that fewer than 3,000 acres will be burned in any year. C. What is the probability that between 1,500 and 3,500 acres will be burned? d. In those years when more than 4,500 acres are burned, help is needed from eastern-region fire teams. Determine the probability help will be needed in any year. a. The probability that more than 4,000 acres will be burned is. (Round to four decimal places as needed.) b. The probability that fewer than 3,000 acres will be burned is (Round to four decimal places as needed.) c. The probability that between 1,500 and 3,500 acres will be burned is. (Round to four decimal places as needed.) d. The probability help will be needed is. (Round to four decimal places as needed.) (1,1) More Enter your answer in each of the answer boxes. MacBook Pro @ %24 & 2 3 4 6 7
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