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

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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) About Me  (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