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How Many Observations Would Be Necessary for a Time Studies

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How many observations would be necessary for a time studies analyst to be 99% confident that the average time is within ± .1 minutes of the true value,if the average time is 10.5 minutes and the standard deviation is 3 minutes?


Definitions:

Bipedal Primate

A member of the primate group that is capable of walking upright on two legs, a trait that distinguishes humans and their ancestors.

Anthropoids

A subgroup of primates, including humans, apes, and most monkeys, characterized by higher brain development and more complex behaviors.

Tarsiers

A genus of small, nocturnal primates with large eyes and long tails, found in Southeast Asia.

Anatomically Modern

Describing human beings that resemble modern humans in terms of skeletal structure and morphology, with features distinct from earlier forms of human ancestors.

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