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  • 0 posts edited
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  • 26 votes cast
Oct
3
asked Performing hypothesis test for the difference of population means: paired comparisons
Sep
30
awarded  Cleanup
Sep
30
comment How do we identify a probability problem as a conditional probability problem?
@DilipSarwate minor math latex error
Sep
30
revised Craps game probability
rolled back to a previous revision
Sep
30
revised Craps game probability
deleted 69 characters in body
Sep
30
revised Craps game probability
added 133 characters in body
Sep
30
comment How do we identify a probability problem as a conditional probability problem?
@DilipSarwate if they had used the keyword "Given" it would've been much easier, but here it doesn't use the keyword "Given". What other clues should i look for?
Sep
30
answered Craps game probability
Sep
30
asked How do we identify a probability problem as a conditional probability problem?
Sep
24
comment Solving an equation with three quadratic radicals in the set of real numbers
2 seems to work...
Sep
24
comment Probability in flipping a coin
@did the answer is accepted, when i unaccepted the answer, I added questions in the comment beneath the answer, and Jean provided answers to my questions, so i reaccepted his answer.
Sep
23
comment Confusion on the meaning of confidence interval
it seems quite reasonable that they would "cancel" out because sometime we'd get a sample mean higher than the true mean sometimes lower, but is there a formal explanation as to how they cancel(usually should be some proof or explanation) for this, if not "convenient", cancellation.
Sep
22
revised Confusion on the meaning of confidence interval
edited title
Sep
22
comment Confusion on the meaning of confidence interval
i see, you want to be precise. but can you explain why is the area under the curve to the left of 72.1 is less than the area under the curve to the right of 72.1 in the graph above?
Sep
22
revised Confusion on the meaning of confidence interval
added 2 characters in body
Sep
22
comment Confusion on the meaning of confidence interval
but why is the area under the curve to the left of 72.1 less than the area under the curve to the right of 72.1 in the graph above?
Sep
22
comment Confusion on the meaning of confidence interval
we should be able to assume the distribution is normal because of Central Limit Theorem, and in this case $n$ >30
Sep
22
revised Confusion on the meaning of confidence interval
edited body
Sep
22
revised Confusion on the meaning of confidence interval
edited title
Sep
22
revised Confusion on the meaning of confidence interval
edited title