18.(5%) A stick of length 1 is broken into two pieces at a random point. Find the correlation coeffi
問題詳情
18.(5%) A stick of length 1 is broken into two pieces at a random point. Find the correlation coefficient and the covariance of these pieces. (A)1/2 (B) -1/2 (C) 1/12 (D)-1/12 (E) 0