15. Contributions, please, part II. In Exercise 19.15

Chapter 20, Problem 15

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15. Contributions, please, part II. In Exercise 19.15 youlearned that the Paralyzed Veterans of America is a philanthropicorganization that relies on contributions. Theysend free mailing labels and greeting cards to potentialdonors on their list and ask for a voluntary contribution.To test a new campaign, the organization recently sentletters to a random sample of 100,000 potential donorsand received 4781 donations. Theyve had a contributionrate of 5% in past campaigns, but a staff member worriesthat the rate will be lower if they run this campaign ascurrently designed.a) What are the hypotheses?b) Are the assumptions and conditions for inferencemet?c) Do you think the rate would drop? Explain.

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