SOLUTION: Americans drank an average of 23.2 gallons of bottled water per capita in 2004. If the standard deviation is 2.7 gallons and the variable is normally distributed, find the probabil

Question 1081878: Americans drank an average of 23.2 gallons of bottled water per capita in 2004. If the standard deviation is 2.7 gallons and the variable is normally distributed, find the probability of the following. Round the final answers to four decimal places and intermediate z value calculations to two decimal places.

more than 31 gallons of bottled water=

Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
z=(x-mean)/sd
z>(31-23.2)/2.7
z>7.8/2.7
z>2.89
prob is 0.0019

RELATED QUESTIONS
Assume that the per capita consumption of bottled water in the United States is... (answered by ikleyn)

Assume that the per capita consumption of bottled water in the United States is... (answered by ikleyn)

In 2001, U.S. per capita consumption of bottled water was 18.8 gallons, and in 2006, U.S. (answered by richwmiller)

The U.S. Department of Agriculture claims that the mean consumption of bottled water by a (answered by Boreal)

Water consumption. Americans are buying more bottled water than ever before. At the... (answered by Theo)

bottled water: from 1990 to 1999, the per person consumption B of bottled water (in... (answered by stanbon)

Americans are buying more bottled water than ever before. At the time of this writing,... (answered by ptaylor)

A swimming pool measures 30 Ft.long,15 ft. wide and is filled to an average depth of 4... (answered by checkley77)

Can someone please assit me with this? I am not getting this at all. An April 2004... (answered by Theo)