Organizers of a televised fundraiser know from past experience that most people donate small amounts ($10$25), some

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Organizers of a televised fundraiser know from past experience that most people donate small amounts ($10—$25), some donate larger amounts ($50-$ 100), and a few people make very generous donations of $250, $500, or more. Historically, pledges average about $32 with a standard deviation of $54.
a) If 120 people call in pledges, what are the mean and standard deviation of the total amount raised?
b) What assumption did you make in answering this question?
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Stats Data And Models

ISBN: 662

4th Edition

Authors: Richard D. De Veaux, Paul D. Velleman, David E. Bock

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