We Want to Estimate with 99 Percent Confidence the Percentage

question 106

Essay

We want to estimate with 99 percent confidence the percentage of buyers of cars who are under 30 years of age.A margin of error of 5 percentage points is desired.What sample size is needed?

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Definitions:

Prostaglandins

Natural substances made by the cells in the endometrium and other parts of the body. High levels in women can cause dysmenorrhea.

Uterine Contractions

The tightening and relaxing of the uterine muscles, typically occurring during childbirth, menstruation, or sometimes spontaneously.

Vernix

A greasy, white substance that covers and protects the skin of a fetus while in the womb and is still present at birth in most cases.

Newborns

Infants from birth to about 2 months of age, characterized by rapid physical growth and development in the initial stages of life.