Question 1072750
The chance of guessing all the right answers is (1/5)^20, or 0.00000000000001048576. The chance of guessing 12 out of the 20 questions right (60%) is 20 choose 12, or 125970 x 0.00000000000001048576, or 0.0000000013208911872, which equals .00000013208911872% chance of passing. &#9786;&#9786;&#9786;&#9786;