TRUE or FALSE. If there is not enough evidence to reject the NULL HYPOTHESIS, we must accept it as true. TRUE or FALSE. We use the standard deviation of a samples proportion for hypothesis testing of population proportion. What is/are the z-values (not the value of the z statistic) used for a two sided hypothesis test at a 99% confidence level? TRUE or FALSE. The p-value in a hypothesis test is used to determine how strong the evidence is against the NULL HYPOTHESIS. Explain the difference between a Type I Error and a Type II error in hypothesis testing