Let x, y,z c u. if n(u) = 89, n(x) = 26, n(y) n(xn ynz)= 2, find the following values: 31, n(z) 40, n(x ny) = 8, n(x nz) = 11, n(yn z) = 10, and 1. n(x'n ynz') 2. n(x'n (yuz') 3. n(x') 63 4. n(x'uyuz')

Select the correct answer from each drop-down menu. james needs to clock a minimum of 9 hours per day at work. the data set records his daily work hours, which vary between 9 hours and 12 hours, for a certain number of days. {9, 9.5, 10, 10.5, 10.5, 11, 11, 11.5, 11.5, 11.5, 12, 12}. the median number of hours james worked is . the skew of the distribution is