The amount of water consumed each week by Bronx residences is normally distributed. The population mean of water consumption is 120.3 gallons with a standard deviation of 10.0 gallons. Test the claim at the 0.10 significance level that the average amount of water consumed is not 125 gallons with a sample size of 100 residences. What is the z obt? (round to the nearest tenth)

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QUESTION 6
For this problem you will need: pencil, paper, calculator, z-crit significance levels. and a NC probability calculator,
Z-Crits for Common Significance Levels
https://docs.google.com/document/d/1bkcDAOsof2cceLd0ghlhiyJ4C09VkQwSuGUcOTQLLpl/edit?usp3sharing
Normal Curve Probability Calculator
https://www.mathportal.org/calculators/statistics-calculator/normal-distribution-calculator.php
The amount of water consumed each week by Bronx residences is normally distributed. The population mean of water consumption is 120.3
gallons with a standard deviation of 10.0 gallons. Test the claim at the 0.10 significance level that the average amount of water consumed is not
125 gallons with a sample size of 100 residences.
What is the Z obr? (round to the nearest tenth)
Transcribed Image Text:QUESTION 6 For this problem you will need: pencil, paper, calculator, z-crit significance levels. and a NC probability calculator, Z-Crits for Common Significance Levels https://docs.google.com/document/d/1bkcDAOsof2cceLd0ghlhiyJ4C09VkQwSuGUcOTQLLpl/edit?usp3sharing Normal Curve Probability Calculator https://www.mathportal.org/calculators/statistics-calculator/normal-distribution-calculator.php The amount of water consumed each week by Bronx residences is normally distributed. The population mean of water consumption is 120.3 gallons with a standard deviation of 10.0 gallons. Test the claim at the 0.10 significance level that the average amount of water consumed is not 125 gallons with a sample size of 100 residences. What is the Z obr? (round to the nearest tenth)
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