Asked by Tiffany Santo on Apr 23, 2024
Verified
Which of the following confidence intervals has the least precision?
A) 99% confidence interval
B) 95% confidence interval
C) 90% confidence interval
D) 85% confidence interval
Confidence Interval
A range of values derived from sample data that is likely to contain the value of an unknown population parameter, expressed at a given level of confidence.
- Understand the distinctions between confidence intervals with 90%, 95%, and 99% certainty levels.
- Become acquainted with the relationship connecting the level of certainty and the sharpness of confidence intervals.
Verified Answer
PP
Parin Patel1 week ago
Final Answer :
A
Explanation :
A 99% confidence interval has the least precision because it is the widest, covering a broader range of values to ensure a higher level of confidence that the true parameter lies within it.
Learning Objectives
- Understand the distinctions between confidence intervals with 90%, 95%, and 99% certainty levels.
- Become acquainted with the relationship connecting the level of certainty and the sharpness of confidence intervals.
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