SOLUTION: A professor writes 40 discrete mathematics true/false
questions. Of the statements in these questions, 17 are
true. I f the questions can be positioned in any o
Algebra ->
Permutations
-> SOLUTION: A professor writes 40 discrete mathematics true/false
questions. Of the statements in these questions, 17 are
true. I f the questions can be positioned in any o
Log On
Question 522406: A professor writes 40 discrete mathematics true/false
questions. Of the statements in these questions, 17 are
true. I f the questions can be positioned in any order, how
many different answer keys are possible? Found 2 solutions by stanbon, sudhanshu_kmr:Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! A professor writes 40 discrete mathematics true/false
questions. Of the statements in these questions, 17 are
true. I f the questions can be positioned in any order, how
many different answer keys are possible?
----------
# of arrangements of the 40 questions: 40!
----
# of answer patterns for the 40 questions: 2^40
-----
Total # of keys possible: 40!*2^40
======================================
Cheers,
Stan H.
=============