Question 1061877: Grade X-Amity will be given a test consisting of ten true-ir-false questions. If a penalty is imposed for each incorrect answer, so that a student may leave some questioned unanswered, in how many ways may the exam be completed?
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! Grade X-Amity will be given a test consisting of ten true-ir-false questions. If a penalty is imposed for each incorrect answer, so that a student may leave some questioned unanswered, in how many ways may the exam be completed?
-----
Each question may be answered in three ways:: correct, incorrect, unanswered
-----
Ans: # of way completed for the 10 is 3^10 ways = 59049 ways
---------------
Cheers,
Stan H.
----------
|
|
|
