A t-test conducted to compare inpatient units with new fall alert systems to units without the system showed that patients who fall on units with the alert systems had less severe injuries, with a p-value of 0.04. What does this number mean? Question 3Select one: A. We cannot draw any conclusions without knowing the sample size. B. The results are statistically significant; injury severity is lower on the units with the alert system. C. There is no statistical difference in injury severity between the units. D. The study had extremely low statistical power