2. A study at a college in the west coast reveals that, historically, 45% of their students are minority students. If random samples of size 75 are selected, a. What are the mean and standard...

Extracted text: 2. A study at a college in the west coast reveals that, historically, 45% of their students are minority students. If random samples of size 75 are selected, a. What are the mean and standard deviation for the sampling distribution of sample proportions? b. What is the probability that between 30% and 50% of the students in the sample will be minority students?