Critical value-P value- A direct mail appeal for contributions from a university's alumni and supporters is consideredcost effective if more than 15% of the alumni and supporters provide monetary contributions. Todetermine if a direct mail appeal is cost effective, the fundraising director sends the direct mailbrochures to a simple random sample of 250 people on the alumni and supporters mailing lists.He receives monetary contributions from 40 people. Does this evidence support the costeffectiveness of the direct mail appeal? Use a 0.05 level of significance.

Given that p = 15% = 0.15 , X = 40 , n = 250 Level of significance = 0.05

Answered: Critical value- P value-

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Critical value- P value-

College Algebra (MindTap Course List)

12th Edition

ISBN:9781305652231

Author:R. David Gustafson, Jeff Hughes

Publisher:R. David Gustafson, Jeff Hughes

Chapter8: Sequences, Series, And Probability

Section8.7: Probability

Problem 5E: List the sample space of each experiment. Rolling one die and tossing one coin

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Critical value-

P value-

A direct mail appeal for contributions from a university's alumni and supporters is considered
cost effective if more than 15% of the alumni and supporters provide monetary contributions. To
determine if a direct mail appeal is cost effective, the fundraising director sends the direct mail
brochures to a simple random sample of 250 people on the alumni and supporters mailing lists.
He receives monetary contributions from 40 people. Does this evidence support the cost
effectiveness of the direct mail appeal? Use a 0.05 level of significance.

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