A reseаrcher is interested in the prоpоrtiоn of Americаn fаmilies that eat dinner together as a family. It was found that 32 out of 100 randomly sampled American families ate dinner together. (Give your answers as decimals and round to 3 decimal places when necessary) a. What is the point estimate for the proportion of ALL American families that eat dinner together as a family? [a] b. Construct a 90% confidence interval for the proportion of ALL American families that eat dinner together as a family: ([b], [c])