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Sharon's phone is calling for donations of used clothing and household items to charities. She knows from her experience that about 30% of her phone calls come from donations. How many times does she need to call to make sure she receives at least two donations 90%?

Sharon's phone is calling for donations of used clothing and household items to charities. She knows from her experience that about 30% of her phone calls come from donations. How many times does she need to call to make sure she receives at least two donations 90%?

Elementary Algebra
Elementary Algebra
17th Edition
ISBN:9780998625713
Author:Lynn Marecek, MaryAnne Anthony-Smith
Publisher:Lynn Marecek, MaryAnne Anthony-Smith
Chapter1: Foundations
Section1.3: Add And Subtract Integers
Problem 260E: Stock Market During the week of June 22, 2009, the closing numbers of the Dow Jones Industrial...
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Sharon's phone is calling for donations of used clothing and household items to charities. She knows from her experience that about 30% of her phone calls come from donations. How many times does she need to call to make sure she receives at least two donations 90%?
Transcribed Image Text:Sharon's phone is calling for donations of used clothing and household items to charities. She knows from her experience that about 30% of her phone calls come from donations. How many times does she need to call to make sure she receives at least two donations 90%?
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