Coleman Sandoval
03/27/2023 · Middle School
A corporation must appoint a president, chief executive officer (CEO), chief operating officer (COO), and chief financial officer (CFO). It must also appoint a planning committee with five different members. There are 12 qualified candidates, and officers can also serve on the committee. Complete parts (a) through (c) below. a. How many different ways can the four officers be appointed? There are 11,880 different ways to appoint the four officers. b. How many different ways can a committee of five be appointed? There are \( \square \) different ways to appoint a committee of five.
UpStudy ThothAI Solution
Tutor-Verified Answer
Step-by-step Solution
To solve part (b), we need to determine how many different ways we can appoint a committee of five members from the 12 qualified candidates. Since the order in which the committee members are selected does not matter, we will use the combination formula:
\[
\binom{n}{r} = \frac{n!}{r!(n-r)!}
\]
where \( n \) is the total number of candidates, and \( r \) is the number of members to be selected for the committee.
In this case, \( n = 12 \) and \( r = 5 \):
\[
\binom{12}{5} = \frac{12!}{5!(12-5)!} = \frac{12!}{5! \cdot 7!}
\]
Calculating the factorials:
\[
12! = 12 \times 11 \times 10 \times 9 \times 8 \times 7!
\]
So we can simplify:
\[
\binom{12}{5} = \frac{12 \times 11 \times 10 \times 9 \times 8}{5!}
\]
Calculating \( 5! \):
\[
5! = 5 \times 4 \times 3 \times 2 \times 1 = 120
\]
Now substituting back into the combination formula:
\[
\binom{12}{5} = \frac{12 \times 11 \times 10 \times 9 \times 8}{120}
\]
Calculating the numerator:
\[
12 \times 11 = 132
\]
\[
132 \times 10 = 1320
\]
\[
1320 \times 9 = 11880
\]
\[
11880 \times 8 = 95040
\]
Now divide by \( 120 \):
\[
\frac{95040}{120} = 792
\]
Thus, the number of different ways to appoint a committee of five is:
\[
\boxed{792}
\]
Quick Answer
There are 792 different ways to appoint a committee of five.
Answered by UpStudy AI and reviewed by a Professional Tutor
UpStudy ThothAI
Self-Developed and Ever-Improving
Thoth AI product is constantly being upgraded and optimized.
Covers All Major Subjects
Capable of handling homework in math, chemistry, biology, physics, and more.
Instant and Accurate
Provides immediate and precise solutions and guidance.
Try Now
Ask Tutors
Ask AI
10x
Fastest way to Get Answers & Solutions
By text
Enter your question here…
By image
Re-Upload
Submit