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Appendix B. a. What is the probability that a domestic airfare is $545 or more (to 4 decimals)? b. What is the probability that a domestic airfare is $255 or less (to 4 decimals)? c. What if the probability that a domestic airfare is between $320 and $510 (to 4 decimals)? d. What is the cost for the 3% highest domestic airfares? (rounded to nearest dollar) or - Select your answer - v

Appendix B. a. What is the probability that a domestic airfare is $545 or more (to 4 decimals)? b. What is the probability that a domestic airfare is $255 or less (to 4 decimals)? c. What if the probability that a domestic airfare is between $320 and $510 (to 4 decimals)? d. What is the cost for the 3% highest domestic airfares? (rounded to nearest dollar) or - Select your answer - v

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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The mean cost of domestic airfares in the United States rose to an all-time high of $400 per ticket. Airfares were based on the total ticket value, which consisted of the price charged by the airlines plus any additional taxes and fees. Assume domestic airfares are normally distributed with a standard deviation of $100. Use Table 1 in Appendix B. a. What is the probability that a domestic airfare is $545 or more (to 4 decimals)? b. What is the probability that a domestic airfare is $255 or less (to 4 decimals)? c. What if the probability that a domestic airfare is between $320 and $510 (to 4 decimals)? d. What is the cost for the 3% highest domestic airfares? (rounded to nearest dollar) or - Select your answer -
Transcribed Image Text:The mean cost of domestic airfares in the United States rose to an all-time high of $400 per ticket. Airfares were based on the total ticket value, which consisted of the price charged by the airlines plus any additional taxes and fees. Assume domestic airfares are normally distributed with a standard deviation of $100. Use Table 1 in Appendix B. a. What is the probability that a domestic airfare is $545 or more (to 4 decimals)? b. What is the probability that a domestic airfare is $255 or less (to 4 decimals)? c. What if the probability that a domestic airfare is between $320 and $510 (to 4 decimals)? d. What is the cost for the 3% highest domestic airfares? (rounded to nearest dollar) or - Select your answer -
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