Exhibit 7-3 In a local university, 40% of the students live in the dormitories. A random sample of 80 students is selected for a particular study....

Exhibit 7-3In a local university, 40% of the students live in the dormitories. A random sample of 80 students is selected for a particular study.Refer to Exhibit 7-3. The probability that the sample proportion (the proportion living in the dormitories) is between 0.30 and 0.50 is 1. 0.4664 2. 0.0336 3. 0.9328 4. 0.0672