Register
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?
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?

User Jordi Castilla
by
8.1k points

1 Answer

3 votes
Number of different answer keys possible is 40!/(17! * 23!) = 88,732,378,800
User ArthurCPPCLI
by
8.4k points
← Prev Question Next Question →

Related questions

Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.5m questions

12.2m answers

Other Questions

Passe para a voz passiva: - Kevin asked Dennis a question -Somebody Build the house last year -She gives him a box
Who is the author of Alice's Adventures in Wonderland'??
If you are writing a persuasive essay in favor of banning vending machines in schools, which is a counterargument you might anticipate?
Transforme em voz passiva: They don't speak English in this shop
In which sentence is a common noun underlined? A. We went horseback riding in Griffith Park yesterday afternoon. B. It was so much fun dancing on the grass in Widley Park. C. We rode all the roller coasters
Link Copied!