A job consists of three elements. Twenty observations for each element were time

Question

A job consists of three elements. Twenty observations for each element were timed, and the resulting data are shown in the following table. A performance rating has also been assigned for each element, as shown in the table. The job has an allowance of 15% of normal time. Performance Rating Element #1 #2 #3 70 110 90 Average Element Time (in minutes) 3.6 2.5 3.1 Use the information in Scenario 4.3. What is the normal time for job element #1? o a. Greater than or equal to 3 minutes o b.Less than 3 minutes but greater than or equal to 2.6 minutes c. Less than 2.6 minutes but greater than or equal to 2.2 minutes o d.Less than 2.2 minutes

Explanation / Answer

Answer: - Option "C" --- Less than 2.6 minutes but greater than or equal to 2.2 minutes

Explanation: - Formula to calculate Normal time = Average element time * Performance rating

Here, Average element time for job #1 = 3.6 minutes and Performence rating = 70% or 0.70

Normal time = 3.6 minutes * 0.70 = 2.52 minutes

The best suited Option to the obtained normal time is Option "C"

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