what is the optimal threshold what is the test for hypothesized distributions? when is mean and variance known in a hypothesis testing what is the test of normal distribution in a standardized test what is normal distribution average deviation vs mean in variance why is hypothesis testing of normal distributions when a normal distribution of variance is known, the mean and variance when do you test for hypothesis testing of a normal distribution if variance is known what is the optimal threshold for hypothesis testing when is hypothesis testing of normal distributions used? what is normal range in hypothesis testing what is the threshold for hypothesis testing when is the mean on variance known and the mean on variance known what is normal distribution for hypothesize test average range of variance why is normal variance used when testing for hypotheses what is the optimal threshold for hypothesizing a normal distribution? when are normal distributions tested? when the trig is known - what does the mean mean on the variance be