You cannot use a normal approximation here.
The sample is small and the underlying distribution is binomial.
So drop the z's.
Quote:
Originally Posted by larz  If I make my critical region  , how can I figure out the  ? Thank you |
I DID that!
X=0 or X=1 IS
.
You need to learn what alpha is.
It's the probability of rejecting the null hypothesis assuming that the null is correct.
It's the probability of that error.