Mean-standard deviation of a sample

Reference no: EM1387735

The mean and the standard deviation of a sample of 100 bank customer waiting times are 5.46 and 2.475 minutes, respectively.

a) Assuming the distribution is bell-shaped, calculate the waiting time intervals containing 68% and 95% of bank customer waiting times.

Reference no: EM1387735

Questions Cloud

Business ethics-moral values in health organizations : Ethics has become the major discussion in organizations today. We all understand, or should, how personal ethics and morals are determined.

Discuss chaos in health care systems : Discuss chaos in health care systems today. In addition, discuss the role of insurance and billing, HMOs, varying drug costs across borders

Probability of student-sophomore and chemistry major : 43 students, 22are sophomores, 28are chemistry majors, and 11are neither. What are the probability that the student is both a sophomore and a chemistry major?

Case assessment on optimal strategic decision for disaster : complete a Case Assessment on Optimal Strategic Decision for Disaster Recovery based on the case study provided and other contributing research that you may deem of value

Mean-standard deviation of a sample : The mean and the standard deviation of a sample of 100 bank customer waiting times are 5.46 and 2.475 minutes, respectively. a) Assuming the distribution is bell-shaped, calculate the waiting time intervals containing 68% and 95% of bank customer w..

Explain what role international expansion plays : Recommend what Donahoe should do with Skype. Explain what role international expansion plays in meeting eBay's goals.

Monthly rental rates for unfurnished one-bedroom : Suppose that monthly rental rates for unfurnished one-bedroom apartment in Ann Arbor, Michigan, are approximately normal in distribution, with a mean of $750 and a standard deviation of $150.

Describe how much information is a firm obliged : From an ethical perspective, describe how much information is a firm obliged to tell a potential strategic alliance partner about

Based on what you discovered in the e-activity : Based on what you discovered in the e-Activity, develop a strategy that any manager could use to boost sales from customers using this Website.

User Account

All Pages