Statistic

posted by .

Your company wants to conduct a salary survey for the position of Accounting Assistant II. The estimated salary range is $4,500, the margin of error should be $100 and the desired level of confidence is 95%. What is the optimal sample size for this salary survey?

  • Statistic -

    You shouldn't be trying to get answers to the final here!

  • Statistic -

    n = [(z*sigma)/E]² = [1.96*$4,500)/$100]² = ($77,792,400 / $10,000) = 7,779.24 = 7,780

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Statistics

    1. In developing patient appointment schedules, a medical center wants to estimate the mean time that a staff member spends with each patient. Using a value for the population standard deviation of eight minutes, determine: a. How …
  2. MAth

    I set this problem up as 500-2X=3,400 Marys monthly salary is $500 less than twice her daughter's salary. Together they earn $3,400 each month. How much is the daughter's salary. ans-1,300 500-500-2x=3,400-500 2x=3,100 2x/2=3,100/2 …
  3. statistic

    For a given month, a random sample of 30 sales girls from a superstore has a sample mean of salary of RM 800 with standard deviations of RM 140. Estimate the mean monthly salary for all employees using the 95% confidence interval.(what …
  4. Statistics

    An opinion poll asks a random sample of 100 college seniors how they view their job prospects. In all, 53 say "Good." The 95% confidence interval has a margin of error of 9.9%. The sample used actually included 130 college seniors …
  5. statistics

    Annual starting salaries for college graduates with degrees in business administration are generally expected to be between $30,000 and $45,000. Assume that a 95% confidence interval estimate of the population mean annual starting …
  6. statistics (10)

    Annual starting salaries for college graduates with degrees in business administration are generally expected to be between $30,000 and $45,000. Assume that a 95% confidence interval estimate of the population mean annual starting …
  7. statistics (10)

    Annual starting salaries for college graduates with degrees in business administration are generally expected to be between $30,000 and $45,000. Assume that a 95% confidence interval estimate of the population mean annual starting …
  8. Math

    Every employee's salary at the Sunrise Software Company increases each year by 1/10 of that person's salary the previous year. A: If Martha's present annual salary is $100,000.00, what will her salary be in 2 years?
  9. math

    THERE ARE ESTIMATES OF THE MARGIN OF ERROR FOR CONFIDENCE LEVELS OTHER THAN 95%. FOR A 90% CONFIDENCE LEVEL AND A SAMPLE SIZE N, THE MARGIN OF ERROR IS APPROXIMATELY 82/N%.SUPPOSE WE WISH TO HAVE A MARGIN OF ERROR OF 1% WITH A 90% …
  10. STATISTIC

    A study based on a sample of size 25 reported a mean of 94 with a margin of error of 15 for 95% confidence (a) Give the 95% confidence interval. (__________,________) (b) If you wanted 99% confidence for the same study, would your …

More Similar Questions