In one region, the September energy consumption levels for single-family homes are found to be normally distributed with a mean of 1050 kWh and a standard deviation of 218 kWh. a) Find P95, which is the consumption level separating the bottom 95% from the top 5% b) If 50 different homes are randomly selected, find the probability that the sample mean energy consumption level for September is greater than 1075 kWh.
In one region, the September energy consumption levels for single-family homes are found to be normally distributed with a mean of 1050 kWh and a standard deviation of 218 kWh. a) Find P95, which is the consumption level separating the bottom 95% from the top 5% b) If 50 different homes are randomly selected, find the probability that the sample mean energy consumption level for September is greater than 1075 kWh.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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In one region, the September energy consumption levels for single-family homes are found to be
a) Find P95, which is the consumption level separating the bottom 95% from the top 5%
b) If 50 different homes are randomly selected, find the probability that the sample mean energy consumption level for September is greater than 1075 kWh.
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