# Question: A recent study of the hourly wages of maintenance crew

A recent study of the hourly wages of maintenance crew members for major airlines showed that the mean hourly salary was $20.50, with a standard deviation of $3.50. Assume the distribution of hourly wages follows the normal probability distribution. If we select a crew member at random, what is the probability the crew member earns:

a. Between $20.50 and $24.00 per hour?

b. More than $24.00 per hour?

c. Less than $19.00 per hour?

a. Between $20.50 and $24.00 per hour?

b. More than $24.00 per hour?

c. Less than $19.00 per hour?

**View Solution:**## Answer to relevant Questions

The mean of a normal probability distribution is 400 pounds. The standard deviation is 10 pounds.a. What is the area between 415 pounds and the mean of 400 pounds?b. What is the area between the mean and 395 pounds?c. What ...WNAE, an all-news AM station, finds that the distribution of the lengths of time listeners are tuned to the station follows the normal distribution. The mean of the distribution is 15.0 minutes and the standard deviation is ...A study conducted by the nationally known Taurus Health Club revealed that 30% of its new members are 15 pounds overweight. A membership drive in a metropolitan area resulted in 500 new members.a. It has been suggested that ...Many retail stores offer their own credit cards. At the time of the credit application, the customer is given a 10% discount on the purchase. The time required for the credit application process follows a uniform ...According to a government study among adults in the 25- to 34-year age group, the mean amount spent per year on reading and entertainment is $1,994. Assume that the distribution of the amounts spent follows the normal ...Post your question