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# Is a 95% confidence interval twice as wide as a 47.5% confidence interval? watch

1. A) twice as wide
B) more than twice as wide
C) less than twice as wide

And why?
2. (Original post by Breakingbank)
A) twice as wide
B) more than twice as wide
C) less than twice as wide

And why?
95% has width: - what's the width of the 47.5% interval?
3. (Original post by Breakingbank)
A) twice as wide
B) more than twice as wide
C) less than twice as wide

And why?
Are you being asked this question as a school student or as a university student? If the former, then Zacken has given you the appropriate method. If the latter, then the answer is "it's complicated" - and we'd need a bit more context to answer it.

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Updated: March 27, 2016
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