A report in a research journal states that the average weight loss of people on a certain drug is30

30lbs with a margin of error of2

2lbs with confidence level C = 95%.

(1 point) A report in a research journal states that the average weight loss of people on a certain drug is 30 lbs with a margin of error of :2 lbs with confidence level C = 95%. (3) According to this information, the mean weight loss of people on this drug, [4, could be as low as lbs. (b) If the study is repeated, how large should the sample size be so that the margin of error would be less than 1 lbs? (Assume 0' = 5 lbs.)