What Is the Required Sample Size to Be 95% Confident

question 97

Essay

What is the required sample size to be 95% confident that the observed average time is within 2% of the actual value if the process has a standard deviation of 1 minute and mean of 50 minutes?

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Definitions:

Home Signs

Informal sign languages or gestures developed within families to communicate, often used when there are individuals who are deaf or non-verbal.

Protosigns

Primitive forms of sign language or gestural communication that may have been the precursors to spoken language in human evolution.

Crib Signs

Crib signs refer to visual or physical indicators, often in a baby's crib, that can signal various needs or states of well-being of the infant.

Idiosyncratic Signs

Unique or individual symbols, behaviors, or indicators that are characteristic of a particular person.