OBIROSY3 OBIROSY3 12-12-2022 Mathématiques Answered 4. Let U = (x:x is an integer from 1 to 20), A={multiples of 5), B = {multiples of 3) and C= {factors of 20} if x is chosen at random from U, find the probability that: (a) XEAN B, (b) XEAUB, (c) XEANBnC