The file P08_23.xlsx contains data from a survey of 500 randomly selected households. a. Separate the households in the sample by the location of their residence within the given community. For each of the four locations, use the sample information to calculate a 90% confidence interval for the mean annual income (sum of first income and second income) of all relevant households. Round your answers to the nearest whole dollar, if necessary. Total income SW Sector NW Sector NE Sector SE Sector Lower Limit

Acar manufacturer uses new machines that automatically assemble an engine from parts fed to the system. the machine can regulate the speed ofassembly depending on the number of parts produced. which type of technology does this machine use? angenoem mense wat ons in matin en esta va ser elthe machine uses

Mark knopf is an auditor who has been asked to provide an audit and financial statement certification for a company that is going public on the new york stock exchange. knopf wants to know his personal liability if the company provides him with inaccurate or false information. which of the following sources of law will him answer that question? a. the city ordinances where the company headquarters is located. b. the state constitution of the state where the company is incorporated. c. code of federal regulations. d. all of the above

Describe the three different ways the argument section of a cover letter can be formatted