GATE PI concept:work-sampling PYQs & Answers

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Questions 1–4 of 4. Imported answers require independent review unless marked reviewed.

Topic practice 4 questionsPage 1 of 1

In a work sampling, out of

observations, a worker was sitting idle in

observations. The standard deviation of the mean proportion of idle time is given by

Your answerChoose one option.

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If work sampling is carried out using a large number of observations, then the required sample size is estimated using

Your answerChoose one option.

Poison distribution

Uniform distribution

Normal distribution

Exponential distribution

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The work sampling study, with 100 observations, revealed 25 % idle time of a worker. The number of observations required for ±10 % accuracy and 95.45 % confidence level is _____ (in integer).

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In a work sampling study of a worker, the information available are as follows: total time of study: 30 hour, number of items produced: 320, total number of observations: 100, number of observations when worker is found working: 80 and average performance rating: 105%. Company policy is to give allowance of 10% of total time on the job. The standard time (in minute per item, up to one decimal place) for manufacturing the item is _____

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GATE PI concept:work-sampling PYQs

How to practice concept:work-sampling

Question 19

Question 22

Question 50

Question 47