asked 193k views
3 votes
A professor writes 40 discrete mathematics true/false questions. Of the statements in these questions, 17 are true. If the questions can be positioned in any order, how many different answer keys are possible?

1 Answer

3 votes
Number of different answer keys possible is 40!/(17! * 23!) = 88,732,378,800
answered
User ArthurCPPCLI
by
8.4k points
Welcome to Qamnty — a place to ask, share, and grow together. Join our community and get real answers from real people.