# Question

The port of South Louisiana, located 54 miles along the Mississippi River between New Orleans and Baton Rouge, is the largest bulk cargo port in the world. The U.S. Army Corps of Engineers reports that the port handles a mean of 4.5 million tons of cargo per week (USA today, September 25, 2012). Assume that the number of tons of cargo handled per week is normally distributed with a standard deviation of .82 million tons.

a. What is the probability that the port handles less than 5 million tons of cargo in a week?

b. What is the probability that the port handles 3 or more million tons of cargo in a week?

c. What is the probability that the port handles between 3 million and 4 million tons of cargo in a week?

d. Assume that 85% of the time the port can handle the weekly cargo volume without extending operating hours. What is the number of tons of cargo per week that will require the port to extend its operating hours?

a. What is the probability that the port handles less than 5 million tons of cargo in a week?

b. What is the probability that the port handles 3 or more million tons of cargo in a week?

c. What is the probability that the port handles between 3 million and 4 million tons of cargo in a week?

d. Assume that 85% of the time the port can handle the weekly cargo volume without extending operating hours. What is the number of tons of cargo per week that will require the port to extend its operating hours?

## Answer to relevant Questions

A minibar in a hotel room generally provides an impression that the hotel is more upscale. PKF Hospitality research reported that minibars provide a mean annual revenue of $368 per hotel room (USA today, February 9, 2012). ...A blackjack player at a Las Vegas casino learned that the house will provide a free room if play is for four hours at an average bet of $50. The player’s strategy provides a probability of .49 of winning on any one hand, ...Battery life between charges for the Motorola Droid Razr Maxx is 20 hours when the primary use is talk time (The Wall Street Journal, March 7, 2012). The battery life drops to 7 hours when the phone is primarily used for ...The following stocks make up the Dow Jones Industrial Average (Barron’s, July 30, 2012).Suppose you would like to select a sample of six of these companies to conduct an in-depth study of management practices. Use the ...A sample of 426 U.S. adults age 50 and older were asked how important a variety of issues were in choosing for whom to vote in the 2012 presidential election (AARP B, March 2012). a. What is the sampled population for this ...Post your question

0