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In Exercises, assume that 400 births are randomly

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

Solution for problem 9BSC Chapter 4.2

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 9BSC

Problem 9BSC

 

In Exercises, assume that 400 births are randomly selected. Use subjective judgment to determine whether the given outcome is unlikely, and also determine whether it is unusual in the sense that the result is far from what is typically expected.

Exactly 205 girls.

Step-by-Step Solution:

Answer

Step 1 of 5

you have to consider that there are so many possibilities from 0 girls to 400 girls. of course (assuming boys/girls are equally likely), around 200 girls will be the highest probability zone, but "exactly" 205 makes it unlikely.

Step 2 of 5

Chapter 4.2, Problem 9BSC is Solved
Step 3 of 5

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

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In Exercises, assume that 400 births are randomly