# Statistics

70% of Americans file their taxes electronically. For a group of 30 American adults who were selected at random, what is the probability that exactly 10 of them do not file their taxes electronically.

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2. 👎 0
3. 👁 29
1. P=30C10(0.3)^10(0.7)^20

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2. 👎 0
posted by Mgraph

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