Posted by **Sam** on Wednesday, June 11, 2014 at 6:27pm.

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 (to 4 decimals)?

b. What is the probability than a domestic airfare is $250 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?

- Statistics -
**collin**, Monday, October 6, 2014 at 5:19pm
a. .4332

- Statistics -
**Amy**, Tuesday, October 14, 2014 at 2:24am
0.0668

0.1093

0.6325

- Statistics -
**Anonymous**, Monday, October 12, 2015 at 7:28pm
ddd

## Answer this Question

## Related Questions

- statistics - The mean cost of domestic airfares in the United states rose to an ...
- Math HELP!!! - The booster club sold tickets to a high school basketball game. ...
- Math - Devon purchased tickets to an air show for 9 adults and 2 children. The ...
- algebra - Q 2: If the ticket agency charges ‘p’ dollars per ticket for a concert...
- ALG2! WORD PROBLEM! PLZ HELP!! - A family of 5 comes to the amusement park. ...
- Economics - After the U.S. invasion of Iraq, the price of jet fuel used by ...
- math - The Houston Chronicle on January 13, 2007 reported on Texans' ticket ...
- Math - Devon purchased tickets to an air show for 9 adults and 2 children. The ...
- Calculus - A movie theater wants to determine the price per ticket that should ...
- Grade 12 Calculus - For an outdoor concert, a ticket price of $30 typically ...

More Related Questions