Entries by Hannah Wangui

Project 2 InstructionsEver wonder how your electricity bill is computed?

September 30, 2019 in /by

Question Project 2 InstructionsEver wonder how your electricity bill is computed? The following table gives the watts of power that are typically required by several major (and not so major) appliances. (Source: http://www.wholesalesolar.com/solar-information/how-to-save-energy/power-table, with some numbers rounded off for computational convenience.) Table 1: Appliance Central Air Conditioner Clothes Dryer Oven Dishwasher Ceiling Fan LCD TV […]

 

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I need help with these four questions and explain how arrived at each answer

September 30, 2019 in /by

Question I need help with these four questions and explain how arrived at each answer1) You are given the sample mean and the population standard deviation. Use this information to construct the​ 90% and​ 95% confidence intervals for the population mean. Which interval is​ wider? If​ convenient, use technology to construct the confidence intervals. A […]

 

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I need two questions answered and explain how arrived at each answer

September 30, 2019 in /by

Question I need two questions answered and explain how arrived at each answer:1) Find the margin of error for the given values of​ c, sigmaσ​, and n. c equals=0.90​, sigma σ equals=3.7​, n equals=36 LOADING… Click the icon to view a table of common critical values. E equals= ​(Round to three decimal places as​ needed.) 2) […]

 

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The grade point averages​ (GPA) for 12 randomly

September 30, 2019 in /by

Question I need help with this questionThe grade point averages​ (GPA) for 12 randomly selected college students are shown on the right. Complete parts​ (a) through​ (c) below.  Assume the population is normally distributed. 2.2 1.8 2.3 0.3 3.4 0.5 1.4 2.3 2.9 4.0 3.6 3.4 Find the sample standard deviation s= (Round two decimals […]

 

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