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If n=8 and p=0.8, find P(r=7)

User Thaerith
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Answer:

P(7) = (8C7) * 0.8^7 * (1-0.8)^(8-7)

= 8 * 0.8^7 * 0.2^1

= 0.2013

User Dracorat
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