Question
In: Statistics and Probability
The mean cost of domestic airfares in the United States rose to an all-time high of $385 per ticket.†
The mean cost of domestic airfares in the United States rose to an all-time high of $385 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 $110.
(a)
What is the probability that a domestic airfare is $550 or more? (Round your answer to four decimal places.)
(b)
What is the probability that a domestic airfare is $210 or less? (Round your answer to four decimal places.)
(c)
What is the probability that a domestic airfare is between $320 and $460? (Round your answer to four decimal places.)
(d)
What is the minimum cost in dollars for a fair to be included in the highest 9% of domestic airfares? (Round your answer to the nearest integer.)
$
Solutions
orchestra answered 2 years agoRelated Solutions
The mean cost of domestic airfares in the United States rose to an all-time high of...
The mean cost of domestic airfares in the United States rose to
an all-time high of $370 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
$120. Use Table 1 in Appendix B.
a. What is the probability that a domestic
airfare is $550 or more (to 4 decimals)?
b. What is the...
The mean cost of domestic airfares in the United States rose to an all-time high of...
The mean cost of domestic airfares in the United States rose to
an all-time high of $385 per ticket (Bureau of Transportation
Statistics website, November 2, 2012 ). 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
$110.
a. What is the probability that a domestic
airfare is $550 or more (to 4 decimals)?
b....
The mean cost of domestic airfares in the United States rose to an all-time high of...
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
$120. Use Table 1 in Appendix B.
What is the probability that a
domestic airfare is $530 or more (to 4 decimals)?
b. What is the probability...
The mean cost of domestic airfares in the United States rose to an all-time high of...
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
$120. Use Table 1 in Appendix B.
a. What is the probability that a domestic
airfare is $560 or more (to 4 decimals)?
b. What is the...
The mean cost of domestic airfares in the United States rose to an all-time high of...
The mean cost of domestic airfares in the United States rose to
an all-time high of $385 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
$120. Use Table 1 in Appendix B. a. What is the probability that a
domestic airfare is $560 or more (to 4 decimals)? b. What is the...
The mean cost of domestic airfares in the United States rose to an all-time high of...
The mean cost of domestic airfares in the United States rose to
an all-time high of $375 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 $540 or more (to 4 decimals)?
b. What is the...
The mean cost of domestic airfares in the United States rose to an all-time high of...
The mean cost of domestic airfares in the United States rose to
an all-time high of $385 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
$110.
(a)
What is the probability that a domestic airfare is $561 or more?
(Round your answer to four decimal places.)
(b)
What is the probability that...
The mean cost of domestic airfares in the United States rose to an all-time high of...
The mean cost of domestic airfares in the United States rose to
an all-time high of $370 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 $530 or more (to 4 decimals)?
b. What is the...
The mean cost of domestic airfares in the United States rose to an all-time high of...
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
$115. Use Table 1 in Appendix B.
a. What is the probability that a domestic
airfare is $560 or more (to 4 decimals)?
b. What is the...
The mean cost of domestic airfares in the United States rose to an all-time high of...
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
$105. Use Table 1 in Appendix B.
a. What is the probability that a domestic
airfare is $530 or more (to 4 decimals)?
b. What is the...
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