For this question, you must use the empirical rule to find the answers, rather than the more exact answers using Excel. The average monthly charges of water utility bill in Portland, OR is $52.10. Let's assume the water utility bills are normally distributed with a standard deviation of $16.80. (a) What percentage of water utility bills will be less than $35.30? % (b) What percentage of water utility bills will be more than $ 52.10? % (c) What percentage of water utility bills will cost between $35.30 and $68.90? % (d) What percentage of water utility bills will cost between $52.10 and $102.5 % (e) What is the minimum bill to be the most expensive 2.5% of all water utility bills? $

For this question, you must use the empirical rule to find the answers, rather than the more exact answers using Excel. The average monthly charges of water utility bill in Portland, OR is $52.10. Let's assume the water utility bills are normally distributed with a standard deviation of $16.80. (a) What percentage of water utility bills will be less than $35.30? % (b) What percentage of water utility bills will be more than $ 52.10? % (c) What percentage of water utility bills will cost between $35.30 and $68.90? % (d) What percentage of water utility bills will cost between $52.10 and $102.5 % (e) What is the minimum bill to be the most expensive 2.5% of all water utility bills? $

ENGR.ECONOMIC ANALYSIS

14th Edition

ISBN:9780190931919

Author:NEWNAN

Publisher:NEWNAN

Chapter1: Making Economics Decisions

Section: Chapter Questions

Problem 1QTC

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