Lucky People Eleven percent of people in Western countries consider themselves lucky. If 2 people are selected at random, what is the probability that at least one will consider himself lucky? Round the final answer to three decimal places. P (at least one will consider himself lucky)= B) Automobile Selection An automobile dealer has 15 small automobiles,7 mid-size automobiles, and 6 large automobiles on his lot. How many ways can four of each type of automobile be selected from his inventory? There are _____ different ways to select the automobiles. C) DVD Selection How many ways can a person select 8 DVDs from a display of 17 DVDs? The number of ways to select 8 DVDs from 17 DVDs is?
Lucky People Eleven percent of people in Western countries consider themselves lucky. If 2 people are selected at random, what is the probability that at least one will consider himself lucky? Round the final answer to three decimal places. P (at least one will consider himself lucky)= B) Automobile Selection An automobile dealer has 15 small automobiles,7 mid-size automobiles, and 6 large automobiles on his lot. How many ways can four of each type of automobile be selected from his inventory? There are _____ different ways to select the automobiles. C) DVD Selection How many ways can a person select 8 DVDs from a display of 17 DVDs? The number of ways to select 8 DVDs from 17 DVDs is?
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...
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Concept explainers
Permutations and Combinations
If there are 5 dishes, they can be relished in any order at a time. In permutation, it should be in a particular order. In combination, the order does not matter. Take 3 letters a, b, and c. The possible ways of pairing any two letters are ab, bc, ac, ba, cb and ca. It is in a particular order. So, this can be called the permutation of a, b, and c. But if the order does not matter then ab is the same as ba. Similarly, bc is the same as cb and ac is the same as ca. Here the list has ab, bc, and ac alone. This can be called the combination of a, b, and c.
Counting Theory
The fundamental counting principle is a rule that is used to count the total number of possible outcomes in a given situation.
Topic Video
Question
A) Lucky People Eleven percent of people in Western countries consider themselves lucky. If 2 people are selected at random, what is the probability that at least one will consider himself lucky? Round the final answer to three decimal places.
|
P (at least one will consider himself lucky)=
|
B) Automobile Selection An automobile dealer has 15 small automobiles,7 mid-size automobiles, and 6 large automobiles on his lot. How many ways can four of each type of automobile be selected from his inventory?
|
There are _____
|
C) DVD Selection How many ways can a person select 8 DVDs from a display of 17 DVDs?
| The number of ways to select 8 DVDs from 17 DVDs is?
|
D) Selecting a Location An advertising manager decides to have an ad campaign in which 8 special calculators will be hidden at various locations in a shopping mall. If he has 17 locations from which to pick, how many different possible combinations can he choose?
| There are ___ ways to pick 8 out of 17 locations to hide the special calculators. |
Answer all question, A, B, C and D
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