From a group of 13 people how many ways we can select a (a) 3 Supervisor (b) 7 Technicians (c) 3 Supervisor and 7Technicians
From a group of 13 people how many ways we can select a (a) 3 Supervisor (b) 7 Technicians (c) 3 Supervisor and 7Technicians
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
Related questions
Question
From a group of 13 people how many ways we can select a
(a) 3 Supervisor
(b) 7 Technicians
(c) 3 Supervisor and 7Technicians
Expert Solution
Step 1
Given:
Total number of people, n=13
It is known that the formula to find different combinations is,
a) To select 3 supervisors among 13 people
Hence the number of ways in selecting 3 supervisor from 13 people is 858.
Step 2
b) To select 7 technicians among 13 people
Hence the number of ways in selecting 3 supervisor from 13 people is 858.
Step by step
Solved in 3 steps
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, probability and related others by exploring similar questions and additional content below.Recommended textbooks for you
A First Course in Probability (10th Edition)
Probability
ISBN:
9780134753119
Author:
Sheldon Ross
Publisher:
PEARSON
A First Course in Probability (10th Edition)
Probability
ISBN:
9780134753119
Author:
Sheldon Ross
Publisher:
PEARSON