Basic Marketing Research with Excel 3rd Edition by Alvin Burns,Ronald Bush

تمرين 15

The manager of Washington State Environmental Services Division wants a survey that will tell her how many households in the city of Seattle will voluntarily identify environmentally hazardous household materials like old cans of paint, unused pesticides, and other such materials than cannot be recycled but should be disposed of, and then transport all of their environmental hazardous items to a central disposal center located in the downtown area and open only on Sunday mornings. A random survey of 500 households determines that 20% of households would do so, and that each participating household expects to dispose of about five items per year with a standard deviation of two items. What is the value of parameter estimation in this instance?