Examlex

Solved

A Group of Biologists Wish to Study the Life Span

question 14

Multiple Choice

A group of biologists wish to study the life span of the common housefly.They want to estimate the mean life span with 80% confidence and a width on the interval of estimation no greater than 1 hr.How many samples should they draw if a previous study indicates that the standard deviation of life span is 2.43 hr?


Definitions:

Psychologists

Professionals trained in the study of the mind and behavior, conducting research and providing assessments and therapy to help improve mental health and cognitive functions.

Standing

The condition or designation of being upright on the feet, or a position of status, reputation, or legal ability to initiate or sustain a legal action.

Radial Pulse

The pulse felt at the wrist where the radial artery runs, commonly used to measure heart rate.

Correct Measurement

The act of obtaining accurate and precise dimensions, capacity, quantity, or extent of something.

Related Questions