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Unit: Counting Outcomes
Introduction
Directions: Answer the following questions. Only work written legibly in pencil will receive full credit. Write your name on the top of your paper.
Find the value of the following factorials using the most appropriate method.
8! = __________6! = __________2! = __________10! = __________17! = __________11! = __________18! = __________5! = __________1! = __________14! = __________3! = __________15! = __________12! = __________13! = __________16! = __________20! = __________4! = __________19! = __________7! = __________9! = __________
Homework for Probability & Statistics
Unit: Counting Outcomes
Activity 3
Directions: Answer the following questions on a separate piece of paper. Only work written legibly in pencil will receive full credit. Write your name on the top of your paper.
Calculate each permutation or combination below:
1. 5P32. 6P33. 7P54. 9P55. 4C26. 6C17. 10C48. 12C7
For problems #9 16, determine whether each situation below involves a combination or a permutation. Then find the number of possibilities.
7 shoppers in line at a checkout counter
an arrangement of the letters in the word intercept
selecting 4 of 13 different colored balloons
an arrangements of 4 blue tiles, 2 red tiles, and 3 black tiles in a row
choosing 2 different pizza toppings from a list of 6
the winner and the first, second, and third runners-up in a contest with 10 finalists
an arrangement of the letters in parallel
choosing 2 CDs to buy from 10 that are on sale
The manager of a softball team has 7 possible players in mind for the top 4 spots in the lineup. How many ways can she choose the top 4 spots?
A newspaper has 9 reporters available to cover 4 different stories. How many ways can the reporters be assigned to cover the stories?
Jack has a reading list of 12 books. How many ways can he select 9 books from the list to check out of the library?
A band is choosing 3 new backup singers from a group of 18 who can try out. How many ways can they choose the new singers?
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