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Notation of 0+ Using the same survey from Exercise, the

Elementary Statistics | 12th Edition | ISBN: 9780321836960 | Authors: Mario F. Triola ISBN: 9780321836960 18

Solution for problem 4BSC Chapter 5.3

Elementary Statistics | 12th Edition

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Elementary Statistics | 12th Edition | ISBN: 9780321836960 | Authors: Mario F. Triola

Elementary Statistics | 12th Edition

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Problem 4BSC

Problem  4BSC

 

Notation of 0+ Using the same survey from Exercise, the probability of randomly selecting 30 of the 1000 adults and getting exactly 28 who include Wal-Mart is represented as 0 + . What does 0+ indicate? Does 0+ indicate that it is it impossible to get exactly 28 adults who include Wal-Mart?

Exercise

Independent Events Based on a Saint Index survey, when 1000 adults were asked to identify the most unpopular projects for their hometown, 54% included Wal-Mart among their choices. Consider the probability that among 30 different adults randomly selected from the 1000 who were surveyed, there are at least 18 who include Wal-Mart. Given that the subjects surveyed were selected without replacement, are the 30 selections independent? Can they be treated as being independent? Can the probability be found by using the binomial probability formula? Explain.

Step-by-Step Solution:
Step 1 of 3

Solution  4BSC

 

As we know that 0+ means very small probability, not 0. The probability of randomly selecting 30 of the 1000 adults and getting exactly 28 who include Wal-Mart is represented...

Step 2 of 3

Chapter 5.3, Problem 4BSC is Solved
Step 3 of 3

Textbook: Elementary Statistics
Edition: 12
Author: Mario F. Triola
ISBN: 9780321836960

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Notation of 0+ Using the same survey from Exercise, the

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