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

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

Algebra.Com

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.
RELATED QUESTIONS
In one region, the September energy consumption levels for single-family homes are found... (answered by stanbon)

In one region, the September energy consumption levels for single -family homes are found (answered by stanbon)

In one region, the september energy consumption levels for a single-family homes are... (answered by ewatrrr)

In one region, the September energy consumption levels for single family homes are found... (answered by AnlytcPhil)

in one region, the September energy consumption levels for single-family homes are found... (answered by Theo)

I'm having trouble on how to start the problem or what equation to use for this problem. (answered by Boreal)

In a certain place, the October energy consumption levels for duplexes are found to be... (answered by ewatrrr)

According to the Centers for Disease Control and Prevention, he total blood cholesterol (answered by stanbon)

The Susan Hansen Group in St. George, Utah, sells $16,000,000 of single-family homes and... (answered by Theo)