In an experiment using 30 mice, the sample proportion of the mice that gained weight after a drug injection is 0.65. what is the 99.7% confidence interval for the actual proportion in the population? a. between 0.602 and 0.697 b. between 0.563 and 0.737 c. between 0.476 and 0.824 d. between 0.389 and 0.91