Which of the following estimates at 95% confidence level most likely comes from a small sample?

A. 48% (+-3%)
B. 53% (+-21%)
C. 67% (+-7%)
D. 59% (+-5%)

Question

Which of the following estimates at 95% confidence level most likely comes from a small sample?

A. 48% (+-3%)
B. 53% (+-21%)
C. 67% (+-7%)
D. 59% (+-5%)

kj4uts · Answer

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kj4uts · Answer

N=.48(    )/ (.03) ^2=
N=.53(    )/ (.21) ^2=
N=.67(    )/ (.07) ^2=
N=.59(    )/ (.05) ^2=

kj4uts · Answer

@amistre64 you helped me the other day with a question similar I just don't know how to find the numbers missing in the parenthesis

amistre64 · Answer

.5 is what your missing in those to compare

kj4uts · Answer

so just fill in .5

amistre64 · Answer

.5 is fine

kj4uts · Answer

ok I am going to check it supposed to be the smallest number right? just curious how do you get .5?

amistre64 · Answer

smallest n value yes ... has the biggest error associated with it

kj4uts · Answer

This is what I got:

A. 266.66
B. 0.011
C. 68.36
D. 118

I guess that makes the answer B. 53% (+-21%)

amistre64 · Answer

i got about 6 for b ... but yeah, its still the smallest :)

kj4uts · Answer

ok I got 6 I must have made a mistake thank you for helping me I have a better understanding on how to solve these types of problems since the other day.

amistre64 · Answer

practice and repetition do make for good teaching tools :)