A Local Company Wants to Evaluate Their Quality of Service

question 116

Multiple Choice

A local company wants to evaluate their quality of service by surveying their customers. Their budget limits the number of surveys to 100. What is their maximum error of the estimated mean quality for a 95% level of confidence and an estimated standard deviation of 5?

• A) 0.9604
• B) 0.9920
• C) 1.96
• D) 5%