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 t price charged by the airlines plus any additional taxes and fees. Assume domestic airfares are normally distributed with a standard deviation of $110. Use Table 1 in Appendix B. a. What is the probability that a domestic airfare is $535 or more (to 4 decimals)? b. What is the probability that a domestic airfare is $245 or less (to 4 decimals)? c. What if the probability that a domestic airfare is between $300 and $500 (to 4 decimals)? d. What is the cost for the 3% highest domestic airfares? (rounded to nearest dollar) or Select your answer -v
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 t price charged by the airlines plus any additional taxes and fees. Assume domestic airfares are normally distributed with a standard deviation of $110. Use Table 1 in Appendix B. a. What is the probability that a domestic airfare is $535 or more (to 4 decimals)? b. What is the probability that a domestic airfare is $245 or less (to 4 decimals)? c. What if the probability that a domestic airfare is between $300 and $500 (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
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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