SOLUTION: I've been stuck on this one forever!! Thank you so much tutors for your help!! Suppose each month a household generates an average 28 pounds of newspaper for garbage or recyclin

Question 564467: I've been stuck on this one forever!! Thank you so much tutors for your help!!
Suppose each month a household generates an average 28 pounds of newspaper for garbage or recycling. Assume the standard deviation is 2 pounds. If a household is selected at random find the probability of its generating between 25 and 31 pounds per month. Assume the variable is approximately normally distributed. Express your answer to the nearest hundredth of a percent.
Answer by richard1234(7193) (Show Source): You can put this solution on YOUR website!
Just use your calculator...

Normcdf(25,31,28,2) = .8664 = 86.64%

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