An epidemiologist Epidemiologists are public health professionals who investigate patterns and causes of disease and injury in humans plans to conduct a survey to estimate the percentage of women who give birth How many women must be surveyed in order to be 99 confident that the estimated percentage is in error by no more than two percentage points Assume that a prior study conducted by the US Census Bureau showed that 82 of women give birth Please write down the formula used No complete sentence is necessary for this answer but please include units