Aclinical trial tests a method designed to increase the probability of conceiving a girl. in the study 520 babies were born, and 286 of them were girls. use the sample data to construct a 99% confidence interval estimate of the percentage of girls born.

Mr. chiu made a dot plot after asking his students a question. based on the dot plot, which statements are correct? check all that apply. eleven students answered mr. chiu's question. twelve students answered mr. chiu's question. three people studied for two hours. three people studied for three hours. everyone who responded studied for at least one hour. four people studied for four or more hours