Post a New Question

statistics

posted by .

How large a sample should be surveyed to estimate the true proportion of college students who do laundry once a week within 3% with 95% confidence?

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Math-Statistics

    A marketing research company needs to estimate which of two soft drinks college students prefer. A random sample of n college students produced the following 98% confidence interval for the proportion of college students who prefer …
  2. Statistics

    An investigator wants to estimate caffeine consumption in high school students. How many students would be required to ensure that a 95% confidence interval estimate for the mean caffeine intake is within 15mg of the true mean?
  3. statistics

    when 325 students are randomly selected and surveyed, it is found that 117 own a car. Construct a 99% confidence interval estimate of the true proportion of all college students who own a car.
  4. Elementary Statistics

    1) Construct a confidence interval of the population proportion at the given level of confidence. x=60,n=300, 99% confidence. The 99% confidence interval is (_,_) 2) A researcher wishes to estimate the proportion of adults who have …
  5. Statistics

    What percentage of college students are attending a college in the state where they grew up?
  6. statistics

    2. An investigator wants to estimate caffeine consumption in high school students. How many students would be required to estimate the proportion of students who consume coffee?
  7. Statistics

    Suppose the U.S. president wants an estimate of the proportion of the population who support his current policy toward revisions in the Social Security system. The president wants the estimate to be within 0.028 of the true proportion. …
  8. Statistics

    Professor York randomly surveyed 240 students at Oxnard University, and found that 150 of the students surveyed watch more than 10 hours of television weekly. Develop a 95% confidence interval to estimate the true proportion of students …
  9. statistics

    John Davis, a manager of a supermarket, wants to estimate the proportion of customers that will be using food stamps at his store. How large a sample is required to estimate the true proportion to within 3% with 98% confidence?
  10. Statistics

    A study found that 82% of elementary students buy lunch at school at least once a month. How large a sample would be necessary to estimate the true proportion within four percentage points with 95% confidence

More Similar Questions

Post a New Question