Note: Solve the following problems. Show all solutions. Round off final answers to 3 decimal places. Question # 1. The daily water usage per households in Saudi Arabia is normally distributed with mean of 280 liters and standard deviation of 60 liters. a. What percentage of households use more than 445 liters? b. What percentage of households use at most (no more than) 360? c. What is the percentage that 100 households randomly selected from the population will have mean usage of water between 270 and 297 liters?

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A: given data, n=36df=n-1=36-1=35X¯=15.50s=8.98claim:μ<20α=0.05

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A: > y = c(61159, 57524,56186,52254,54884,51869,29743,39877,50086,53672,65707,73861) > > #Age…

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Q: 3. You want to determine the effectiveness of a novel cancer therapy, RS7, in treating lung cancer.…

A: Given the data as Plate 1 (RS7) Plate 2 (Control) 65434 80760 70250 78562 63962 81435…

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Q: a. What is the response variable that is being compared in this study? Age b. How many samples of…

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