Suppose that . An estimator for is . Suppose that we know that . Construct a confidence interval for . Would it be ?
Follow Math Help Forum on Facebook and Google+
Originally Posted by heathrowjohnny Suppose that . An estimator for is . Suppose that we know that . Construct a confidence interval for . Would it be ? Now I think that those inequalities are the wrong way around. RonL
Originally Posted by CaptainBlack Now I think that those inequalities are the wrong way around. RonL Actually aren't they correct? Wouldn't it be ? And this is equivalent to what I have written? Or maybe I made a mistake.
Originally Posted by heathrowjohnny Actually aren't they correct? Wouldn't it be ? And this is equivalent to what I have written? Or maybe I made a mistake. If you want a interval , so ? RonL
Originally Posted by CaptainBlack If you want a interval , so ? RonL But now that we are dividing those terms, the sign changes? Isn't it similar to the following: , and so ?
Originally Posted by heathrowjohnny But now that we are dividing those terms, the sign changes? Isn't it similar to the following: , and so ? because: RonL
So the book probably made a blatant error. They said the first one was .
View Tag Cloud