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?

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MATLAB: An Introduction with Applications

6th Edition

ISBN: 9781119256830

Author: Amos Gilat

Publisher: John Wiley & Sons Inc

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Average

In mathematics, everyone must have heard the term average in one place or other. Almost all types of calculation require taking out an average. In everyday life, the term is used for denoting a certain amount that can be said to be a typical quantity for…

Question

Topic: Interval Estimate of Population Proportion (Please answer number 1 and 2)

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.

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