Question: A time study analyst observed 30 work sample from the design department. She wanted to see the proportion time of the new 3D printer being

A time study analyst observed 30 work sample from

A time study analyst observed 30 work sample from the design department. She wanted to see the proportion time of the new 3D printer being used. She based her study from the old 3D printer with an estimated use of 65% of the time. If she uses an actual proportion of 10%, determine the confidence level used in the study

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