A newspaper reporter asked an srs of 100 residents in a large city for their opinion about the mayor’s job performance. Using the results from the sample, the % confidence interval for the proportion of all residents in the city who approve of the mayor’s job performance is 0. 565 to 0. 695.

Afarmer began a new method of reducing grain spills. this reduced the number of mice on the farm. the number of snakes in the surrounding area decreased at the same time. the snakes depended on the mice that lived in the field. what’s the likely reason the snake population decreased? a. the number of snake predators increased. b. the number of mice increased. c. the number of mice decreased. d. the pesticides affected the snakes. e. a new breed of mice moved into the field.