Which Statement Is Incorrect

Multiple Choice

Which statement is incorrect?

A) The null hypothesis contains the equality sign.
B) When a false null hypothesis is not rejected,a Type II error has occurred.
C) We reject the null hypothesis whenever the p-value is less than the significance level.
D) Rejecting the null hypothesis when it should not be rejected is a Type I error.
E) If we fail to reject the null hypothesis,then it is proven that null hypothesis is true.