Let n cards carry the distinct numbers x_1 . if two cards are drawn at random without replacement, show that the correlation coefficient rho between the numbers appearing on the two cards is -1 / (n - 1).

Manuela claims that and are congruent. which statement best describes her claim? she is incorrect because the segments do not have the same orientation. she is incorrect because the segments do not have the same length. she is correct because the segments have the same length. she is correct because the segments have the same orientation.