1-24 ■ Counting These exercises involve counting.
Quiz Questions A quiz has ten true-false questions. In how many different ways can a student earn a score of exactly on this quiz?
The total number of ways to earn a score of exactly on the quiz.
The total true-false questions are .
If a set has objects, then the number of ways of ordering the elements subset of the set is denoted and is called the number of permutation of objects taken at a time and given by,
Calculate the total number of ways to earn a score of exactly on this quiz.
Substitute for , and for in the above formula.
Bartleby provides explanations to thousands of textbook problems written by our experts, many with advanced degrees!Get Started