Roll 1: 1 number out of 6 total numbers = 1/6 Roll 2: 1 number out of 6 total numbers = 1/6 Roll 3: 1 number out of 6 total numbers = 1/6 Roll 4: 1 number out of 6 total numbers = 1/6
Roll 1 AND Roll 2 AND Roll 3 AND Roll 4 1/6 x 1/6 x 1/6 x 1/6 = 1/1296