State a null and two-tail research hypothesis for a study exploring the effect that prison security level (i.e., min, med, max) has on inmate assault rate (i.e., number of ghts). Null Hypothesis: Research Hypothesis: State a null and one-tail research hypothesis for a study exploring the effect that exercise (i.e., miles ran per week) has on weight loss (in pounds). Null Hypothesis: Research Hypothesis: A woman tests positive for COVID-19. A few days later, her doctor tells her that her test is false, and she is negative for COVlD-19. What type of error was committed? a. Type I error b. Type II error