<prompt> Select true statement regarding propoion:-Numerator is not a pa of denominatorNumerator is pa of denominator and always expressed as percentageNumerator is pa of denominator and not expressed as percentageNumerator is not a pa of denominator and always expressed as percentage  <response>: Propoion ab X 100. numerator a is pa of Denominator b. always expressed in percentage. Examples:Prevalence of disease, Case fatality Rate are also propoion. 