# Question: The time required to pass through security screening at the

The time required to pass through security screening at the airport can be annoying to travelers. The mean wait time during peak periods at Cincinnati/Northern Kentucky International Airport is 12.1 minutes (The Cincinnati Enquirer, February 2, 2006). Assume the time to pass through security screening follows an exponential distribution.

a. What is the probability it will take less than 10 minutes to pass through security screening during a peak period?

b. What is the probability it will take more than 20 minutes to pass through security screening during a peak period?

c. What is the probability it will take between 10 and 20 minutes to pass through security screening during a peak period?

d. It is 8:00 A.M. (a peak period) and you just entered the security line. To catch your plane you must be at the gate within 30 minutes. If it takes 12 minutes from the time you clear security until you reach your gate, what is the probability you will miss your flight?

a. What is the probability it will take less than 10 minutes to pass through security screening during a peak period?

b. What is the probability it will take more than 20 minutes to pass through security screening during a peak period?

c. What is the probability it will take between 10 and 20 minutes to pass through security screening during a peak period?

d. It is 8:00 A.M. (a peak period) and you just entered the security line. To catch your plane you must be at the gate within 30 minutes. If it takes 12 minutes from the time you clear security until you reach your gate, what is the probability you will miss your flight?

## Relevant Questions

Do interruptions while you are working reduce your productivity? According to a University of California-Irvine study, businesspeople are interrupted at the rate of approximately 5 ½ times per hour (Fortune, March 20, ...The driving distance for the top 100 golfers on the PGA tour is between 284.7 and 310.6 yards (Golfweek, March 29, 2003). Assume that the driving distance for these golfers is uniformly distributed over this interval. a. ...BusinessWeek published information on 283 equity mutual funds (BusinessWeek, January 26, 2004). A sample of 40 of those funds is contained in the data set Mutual Fund. Use the data set to answer the following questions. a. ...BusinessWeek conducted a survey of graduates from 30 top MBA programs (BusinessWeek, September 22, 2003). On the basis of the survey, assume that the mean annual salary for male and female graduates 10 years after graduation ...About 28% of private companies are owned by women (The Cincinnati Enquirer, January 26, 2006). Answer the following questions based on a sample of 240 private companies. a. Show the sampling distribution of p-bar, the sample ...Post your question