# Question

In 2012, 79% of Southwest Airlines flights arrived at their destinations on time. Suppose a random sample of 12 Southwest Airlines flights was selected.

a. What is the probability that all 12 flights were on time?

b. What is the probability that more than nine flights were on time?

c. What is the probability that seven or fewer flights were on time?

d. What are the mean and standard deviation for this distribution?

e. Construct a histogram for this distribution.

a. What is the probability that all 12 flights were on time?

b. What is the probability that more than nine flights were on time?

c. What is the probability that seven or fewer flights were on time?

d. What are the mean and standard deviation for this distribution?

e. Construct a histogram for this distribution.

## Answer to relevant Questions

According to the NPD Group, 70% of the basketball shoes purchased by American men are never worn on a basketball court. Answer the following questions based on a random sample of 13 men who purchased basketball shoes: a. ...According to the Graduate Management Admission Council, applications to twoyear MBA programs have been on the decline during the past few years. A survey during 2012 reported that 62% of U. S. schools experienced fewer ...According to the National Hurricane Center, the average number of hurricanes during the Atlantic season, which runs from June 1 to November 30, was 6.5 hurricanes per year from 1982 to 2012. Assume the number of hurricanes ...My department at school is comprised of 10 faculty and 6 administrators. I need to organize a committee of six people from the department. If I randomly select these committee members, determine the probability that the ...Assume the cost of an extended 100,000 mile warranty for a particular SUV follows the normal distribution with a mean of $ 1,600 and a standard deviation of $ 75. a. Determine the interval of warranty costs from various ...Post your question

0