SOLUTION: In one region, the September energy consumption levels for single family homes are found to be normally distributed with a mean of 1,050 kWh and a standard deviation of 218 kWh. Fi
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Question 1205165: In one region, the September energy consumption levels for single family homes are found to be normally distributed with a mean of 1,050 kWh and a standard deviation of 218 kWh. Find the 45th percentile. (Round to the nearest whole number.) Answer by Boreal(15235) (Show Source):
You can put this solution on YOUR website! the z value for 0.45 is -0.1257 (invnorm (0.45))
answer is mean +(-0.1257)*218=-27.39
answer is 1023 kWh rounded to nearest integer.