Mathematics 10: Permutations and Probability

What situations or activities involve permutation?

• matching shirts and pants

• enumerating the subsets of a set

• assigning telephone numbers to subscribers

• forming a committee from the members of a club

Which of the following refers to two different arrangements of objects where some of them are identical?

• circular combinations

• circular permutations

• unique combinations

• distinguishable permutations

What term refers to the arrangement of objects in a circle?

• circular combinations

• circular permutations

• unique combinations

• distinguishable permutations

Which of the following refers to the number of ways of selecting objects from a set when the order or arrangement is not important?

• Circular permutation

• Combination

• Fundamental Counting Principle

• Permutation

What is term used to refer to the arrangement of a set in a definite order?

• combination

• factorial

• permutation

• probability

What tasks involve permutation?

• picking fruits in a basket

• matching blouses and skirts

• assigning seating arrangement for a pictorial

• forming a dance group from a group of aspiring applicants

Which of the following is used in solving for combination of n objects taken r at a time?

• n-1!

• n!a!b!c!…

• n!n-r!

• n!n-r!r!

This image/symbol "∩" represents ____________.

• intersection, "and"

• union, "and"

• intersection, "or"

• union, "or"

It is defined as the event containing all outcomes that are in A or in B or in both.

• complement

• empty

• intersection

• union

Which of the following refers to the branch of mathematics that deals with uncertainty?

• Algebra

• Geometry

• Trigonometry

• Probability