A survey was conducted that asked 1031 people how many books they had read in the past year. Results indicated that the sample mean = 13.7 books and s = 15.3 books. Construct a 96% confidence interval for the mean number of books people read. Interpret the interval. Construct a 96% confidence interval for the mean number of books people read and interpret the result.

Which statement explains how you could use coordinate geometry to prove the opposite sides of a quadrilateral are congruent? a. use the slope formula to prove the slopes of the opposite sides are the same. b. use the slope formula to prove the slopes of the opposite sides are opposite reciprocals. c. use the distance formula to prove the lengths of the opposite sides are the same. d. use the distance formula to prove the midpoints of the opposite sides are the same.