Do you think the donation rate would drop?
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter12: Probability
Section12.3: Conditional Probability; Independent Events; Bayes' Theorem
Problem 39E: The following problem submitted by Daniel Hahn of Blairstown, Iowa, appeared in the Ask Marilyn...
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Question
A philanthropic organization sent free mailing labels and greeting cards to a random sample of 100,000 potential donors on their mailing list and received 4821 donations. They have had a contribution rate of 5% in past campaigns, but a staff member worries that the rate will be lower if they run this campaign as currently designed. Complete parts 1 through 3 below. Assume the independence assumption is met.
1) What are the hypotheses?
Which hypotheses below will test the staff member's
worries?
2) Are the assumptions and conditions for inference met?
Which assumptions and conditions below are met? Select all that apply.
3) Do you think the donation rate would
drop?
5%.
The P-value is too highto conclude that the rate would be below the previous campaign contribution rate of 5%.
The P-value is high enough to conclude that the rate would be belowthe previous campaign contribution rate of 5%.
Inference is not possible since the assumptions and conditions are not met.
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