Wednesday, March 10, 2021 11:51 AM 6-3 Basic Skills and Concepts Statistical Literacy and Critical Thinking 1. Births There are about 11,000 births each day in the United States, and the proportion of boys born in the United States is 0.512. Assume that each day, 100 births are randomly selected and the proportion of boys is recorded. a. What do you know about the mean of the sample proportions? b. What do you know about the shape of the distribution of the sample proportions