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To determine the standard working time for a special job, following observation data is collected. Observation 1 2 3 4 5 6 7 8 Time (in second) 17 18 15 14 13 15 16 13 a) If the person observed worked at a pace that is 80 percent of normal, and if the appropriate allowance for this task is 25 percent of job time, what should be the standard time? b) How many observations would be needed to be 95% confident that the maximum error in the observed time is 1 second? Assume that the standard deviation of the task time is 2 seconds. c) How many observations would be needed to be 99 % confident that the maximum error is 5% of the observed time? Assume that the standard deviation of the task time is 2 seconds. What are the formulas to solving these problems? Thanks
Which of the following is an advantage of using spread spectrum signalling over narrowband signalling? a. Spread spectrum is easier to install b. Spread spectrum is more secu
A fleet repair facility has the capacity to repair 900 trucks per month. However, due to scheduled maintenance of their equipment, management feels that they can repair no more tha
Factors Responsible for plant Location choice The physical factors associated with location of an enterprise can have a significant impact on the operations of an enterprise a
Suppose that a small publisher selling to book distributors has fixed operating costs of $600,000 each year and variable costs of $3.00 per book. How many books must the firm sell
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A main outcome of electronic data interchange (EDI) is To save paperwork by using structured electronically transmitted data.
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What are the 5 criteria for evaluating a selection method?
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