MCQOPTIONS
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MCQOPTIONS
| 1. |
The number of observations to be made on a machine for work sampling study for absolute accuracy of A% with 95% confidence level, (if the probability of machine being busy is P%) is equal to |
| A. | \(\frac{{4P\left( {100 - P} \right)}}{{{A^2}}}\) |
| B. | \(\frac{{P\left( {100 - P} \right)}}{{{A^2}}}\) |
| C. | \(\frac{{9P\left( {100 - P} \right)}}{{{A^2}}}\) |
| D. | \(\frac{{2P\left( {100 - P} \right)}}{{{A^2}}}\) |
| Answer» B. \(\frac{{P\left( {100 - P} \right)}}{{{A^2}}}\) | |