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What number of observations in a work

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A hospital administrator thinks that the X-ray equipment is only in use about 20 percent of the time. What number of observations in a work sampling study would be needed to estimate the true percentage of time to within 5 percent with a confidence of 98 percent?

Reference no: EM13917433

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What number of observations in a work : What number of observations in a work sampling study would be needed to estimate the true percentage of time to within 5 percent with a confidence of 98 percent?
How many observations are needed in a work : How many observations are needed in a work sampling study to estimate that time percentage to within 6 percent and have a confidence of 98 percent?
The actual percentage of idle time to within 6 percent : What is the percentage of idle time?Given these results, how many observations would be needed to estimate the actual percentage of idle time to within 6 percent with a confidence of 90percent?
What is the estimated percentage of idle time : What is the estimated percentage of idle time? Based on the initial results, approximately how many observations would you require to estimate the actual percentage of idle time to within 5 percent with a confidence of 95 percent?
How many work cycles should be timed to estimate : How many work cycles should be timed to estimate the average cycle time to within 2 percent of the sample mean with a confidence of 99 percent if a pilot study yielded these times (minutes): 5.2, 5.5, 5.8, 5.3, 5.5, and 5.1? The standard deviation..

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