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1. The analyst in the Dorben Reference Library decides to use the work samplingtechnique to establish standards. Twenty employees are involved. The operationsinclude cataloging, charging books out, returning books to their proper location,cleaning books, record keeping, packing books for shipment, and handling cor-respondence. A preliminary investigation resulted in the estimate that 30 percent ofthe group's time was spent in cataloging. How many work sampling observationswould be made if it wer