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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)

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)

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.4: Collecting Data
Problem 6E
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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)
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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