A local corporation was interested in the purchasing habits

Assignment Help Applied Statistics

Reference no: EM13712845

A local corporation was interested in the purchasing habits of Wake County residents.Specifically one of the things they were interested in was the proportions of residents that did a major home improvement project in the last year.The corporation used a list of all households to take a simple random sample of households.The researcher then visited each of the sampled homes and found that 21 of 100 homes had completed a major home improvement project.

Which of the following are true?

Select all that apply.

Select one or more:

The population of interest is all Americans.The population of interest is all Wake County residents.The population of interest is all Wake County residents who had completed a major home improvement project.The population of interest is the 100 homes that were sampled.The parameter of interest is the proportion of residents that did a major home improvement project in the last year.The parameter of interest is 21%.The parameter of interest is the 100 homes that were sampled.The parameter of interest is all Wake County residents.

Reference no: EM13712845

Questions Cloud

Find the z-score for eachof the following x values. x= 5 : 1. For a population with m = 50 and a standard deviation of s = 10,

What percentage of the atoms of carbon in the biosphere : In a living organism, the decay of C-14 produces 15.3 disintegrations per minute per gram of carbon. The half-life of C-14 is 5730 years. A bone sample with 2.8 g of carbon has 25.0 disintegrations per minute. How old is the bone sample in years? ..

Define with no change in the temperature or moles of gas : A sample of ideal gas at room temperature occupies a volume of 12.0L at a pressure of 272torr. If the pressure changes to 1360torr, with no change in the temperature or moles of gas, what is the new volume, V2?

How many grams of barium hydroxide were added : The vapor pressure of pure water at 96 degrees C is normally 657.6 mmHg, but decreased to 622.8 mmHg upon addition of an unknown amount of barium hydroxide, Ba(OH)2, to 247.5 g of water at this temp. How many grams of barium hydroxide were added? ..

A local corporation was interested in the purchasing habits : A local corporation was interested in the purchasing habits of Wake County residents.Specifically one of the things they were interested in was the proportions of residents that did a major home improvement project in the last year.

Explain the change in internal energy for the combustion : Question- The change in internal energy for the combustion of 1.0 mol of octane at a pressure of 1.0 atm is 5084.1kJ. If the change in enthalpy is 5074.2kJ, how much work is done during the combustion

Calculate the ph of the solution after the addition of moles : Question- A 1.50L buffer solution is .250 M in HF and .250M in NaF. Calculate the pH of the solution after the addition of .0500 moles of solid NaOH. Assume no volume change upon addition of base. The Ka for HF is 3.5 x 10^-4.

Define the solution is a non-volatile compound : A solution is prepared by dissolving 297.3 g of lactose, C12H22O11, with 225.3 g of H2O at 100 degrees C. By how much lower (in mHg) will be the vapor pressure of water above this solution is compared with pure water? The solution is a non-volatil..

Define how many grams of copper (ii) nitrate were added : The vapor pressure of pure water at 98 degrees C is normally 707.3 mmHg, but decreased to 690.3 mHm upon addition of an unknown amount of copper (II) nitrate, Cu(NO3)2, to 166.6 g of water at this temp. How many grams of copper (II) nitrate were a..

User Account

All Pages