Directions: Study and analyze each case. Apply the formula necessary to solve the stated problem. Show your solutions on the space provided. Use extra paper if necessary. 1. The University Marketing...

Topic: Interval Estimate of Population Proportion. Answer number 1 and 2.

Extracted text: Directions: Study and analyze each case. Apply the formula necessary to solve the stated problem. Show your solutions on the space provided. Use extra paper if necessary. 1. The University Marketing Head has conducted a pre-survey of selected students. Of 4,860 randomly selected students, 2,140 have said they preferred business related courses. With 90% confidence, what interpretation can be made regarding the probability that all the students want to enroll in business related courses? 2. A sample of 430 business applications included 150 men. Find the 99% confidence interval of the true proportion of men who applied to the business program.