The mean consumption of water per household in a city was 1248 cubic feet per month. Due to a water shortage because of a drought,the city council campaigned for water use conservation by households. A few months after the campaign was started, the meanconsumption of water for a sample of 99 households was found to be 1166 cubic feet per month. The population standard deviation isgiven to be 219 cubic feet.a. Find the p-value for the hypothesis test that the mean consumption of water per household has decreased due to the campaign bythe city council. Would you reject the null hypothesis at α = 0.05?Round your answer to four decimal places.p-value = iWe✰ Ho.b. Make the test of part a using the critical-value approach and α = 0.05.Round your answer for z to two decimal places.ZobservedWeHo.We conclude that the mean consumption of water per household hasdue to the campaign by the city council.

Step 1: State the null and alternative hypothesis for this testThe alternative hypothesis can only…

Answered: The mean consumption of water per…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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