In 2010, there were 117,538,000 house-holds in the United States. There were 78,833,000 family households made up of married couples, single male, and single female households. To determine how many of each type a survey was undertaken. The results were stored using the codes 1 = married couple, 2 = single male, and 3 = single female. Estimate with 95% confidence the total number of American households with married couples.
Answer to relevant QuestionsWages and salaries make up only part of a total compensation. Other parts include paid leave, health insurance, and many others. In 2007, wages and salaries among manufacturers in the United States made up an average of ...Part of a university professor’s job is to publish his or her research. This task often entails reading a variety of journal articles to keep up to date. To help determine faculty standards, a dean of a business school ...Determine the sample size necessary to estimate a population proportion to within .03 with 90% confidence assuming you have no knowledge of the approximate value of the sample proportion.There is a looming crisis in universities and colleges across North America. In most places enrollments are increasing requiring more instructors. However, there are not enough PhDs to fill the vacancies now. Moreover, among ...In random samples of 25 from each of two normal populations, we found the following statistics:x̄1 = 524 s1 = 129x̄2 = 469 s2 = 141a. Estimate the difference between the two population means with 95% confidence.b. Repeat ...
Post your question