Question 8.76

8.76 Worker absences and the bottom line

A survey of 1234 companies found that 36% of them did not measure how worker absences affect their company's bottom line.19

  1. How many of the companies responded that they do measure how worker absences affect their company's bottom line? Show your work.
  2. Describe the population proportion for this setting.
  3. What is the sample proportion? Show your work.
  4. What is the standard error for the sample proportion? Show your work.
  5. What is the margin of error for 95% confidence? Show your work.
  6. Give the 95% confidence interval for the population proportion.