A Methods and Measurement Analyst Wants to Develop a Time

Multiple Choice

A Methods and Measurement Analyst wants to develop a time standard for a certain task.In a preliminary study,he observed one employee perform the task six times with an average of 20 seconds and a standard deviation of 2 seconds. What is the normal time (NT) for this task if the employee worked at a twenty percent faster pace than is average?

A) 4 seconds
B) 16.7 seconds
C) 20 seconds
D) 24 seconds
E) 100 seconds