[will mark as brainliest if correct] a group of doctors conducted an experiment to determine which drug is more effective in the treatment of hypertension. two drugs were tested across three hospitals on 50 patients each. the following table shows the number of patients that reported improvement in hypertension symptoms in each hospital. | hospital | | drug x | | drug y | a 29 30 b 35 21 c 26 18 select all true statements that can be concluded from the experiment. a.) drug y's claim to improve the symptoms of hypertension is true. b.) drug x's claim to improve the symptoms of hypertension is true. c.) there is not enough information to make any conclusions about the experiment. d.) the percentage of patients showing improvement is higher in drug y e.) drug y is more effective than drug x because there is a greater percentage of patients that showed an improvement f.) drug x is more effective than drug y because there is a greater percentage of patients that showed an improvement