We wish to estimate what percent of adult residents in a certain county are parents. Out of 300 adult residents sampled, 39 had kids. Based on this, construct a 95% confidence interval for the proportion p of adult residents who are parents in this county. Express your answer in tri-inequality form. Give your answers as decimals, to three places.

Find the value of a. the diagram is not to scale. a quadrilateral is drawn. the upper and lower sides are parallel. the interior angle in the upper left corner is labeled a degrees. the angle in the upper right corner is labeled 113 degrees. the angle in the lower right corner is labeled b degrees. the angle in the lower left corner is labeled 36 degrees. a. 36 b. 144 c. 54 d. 126

The variable in a relation who’s value depends on the value of the independent variable is called what?

If the discriminant if a quadratic equation is 4 which statement describes the roots?