The probability of Sam passing the exam is 1/5. The probability of Sam passing the exam and Michael passing the driving test is 1/6. What is the probability of Michael passing his driving test?  Pick one
A) 1/24.  B) 1/2.  C) 5/6.  D) 2/3.  E) 2/5
1/5 *1/m= 1/6 , 1/m = 5/6   Answer 5/6.
<result>C</result>
The probability of Sam passing the exam is 1/5. The probability of Sam passing the exam and Michael passing the driving test is 1/6. What is the probability of Michael passing his driving test?