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Answer: In Exercises, assume that 400 births are randomly

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

Solution for problem 11BSC 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 11BSC

Problem 11BSC

 

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 111 girls.

Step-by-Step Solution:
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Solution 11BSC

Since probability of getting exactly 111 girls in randomly selected 400 births is very low so this event is unlikely. And since the outcome 111 girls is far below the number of girls we expect in 400 births (around 200 girls) so this is unusually low number of girls in 400 births. So the event of exactly 111 girls in 400 births is unlikely and unusually low.

Step 2 of 3

Chapter 4.2, Problem 11BSC is Solved
Step 3 of 3

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

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Answer: In Exercises, assume that 400 births are randomly