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MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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
Transcribed Image Text:A work sampling study was made in a security staff for 3 days where 10 random observations were taken each day, as shown below.
Day 1
Obtain visitor's information
Signing forms
Day 2
Give pass to visitor
OBS
Day 3
1
Obtained visitor's info
Retrieve visitor's pass from shelf Receive visitor's official ID
Return visitor's official ID
Return visitor's official ID
Waiting for work
Reviewing visitor's log sheet
3
Reviewing visitor's log sheet
Give pass to visitor
Arranging papers
Retrieving visitor's pass from shelf
4
Receive package from LBC
Obtain visitor's information
Give pass to visitor
Obtain visitor's information
6
Chatting with co-workers
Answer phone call
7
Obtain visitor's information
Chatting with co-workers
8
Obtain visitor's information
Give pass/ID to visitor
Waiting for work
Waiting for work
9
Receive visitor's official ID
Receive package from LAZADA
10
Return visitor's official ID
Retrieve visitor's pass
If working hours per day is 8 hours and the total activities performed is 50, with 5% allowance and performance rating of 90%.
a. Compute the normal time, in minutes. (Show in 2 decimal values)
b. What is the standard time of the operation, in minutes? (Show in 2 decimal values)
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