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Prison and Plea. Use the data in the | Ch 4.8 - 12RE

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

Solution for problem 12RE Chapter 4.8

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 12RE

Blue Eyes  About 35% of the population has blue eyes (based on a study by Dr. P. Sorita Soni at Indiana University).

a. If someone is randomly selected, what is the probability that he or she does not have blue eyes?

b. If four different people are randomly selected, what is the probability that they all have blue eyes?

c. Would it be unlikely to randomly select four people and find that they all have blue eyes? Why or why not?

Step-by-Step Solution:
Step 1 of 3

Solution 12RE

  1. There is a probabilty that he or she does not have blue eys.
  2. = 0.0150
  3. Yes, the probability that selected four people have blue eyes is very less, so it is unusual.
Step 2 of 3

Chapter 4.8, Problem 12RE is Solved
Step 3 of 3

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

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Prison and Plea. Use the data in the | Ch 4.8 - 12RE