You are in charge of conducting an analysis for your organization to discover if there is a relationship between an employees performance rating and the number of sick days they take each year. Your coworker has already collected the data and it is ready for you to analyze. Review the data your coworker collected in … Read more
The average student loan debt for college graduates is $25,750. Suppose that that distribution is normal and that the standard deviation is $11,850. Let X = the student loan debt of a randomly selected college graduate. Round all probabilities to 4 decimal places and all dollar answers to the nearest dollar. a. What is the … Read more
CNNBC recently reported that the mean annual cost of auto insurance is 1006 dollars. Assume the standard deviation is 217 dollars, and the cost is normally distributed. You take a simple random sample of 36 auto insurance policies. Round your answers to 4 decimal places.