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egoroff_w [7]
3 years ago
7

Ex: Neckwear association reported 3% of ties sold in the US are bow ties. If 4 customers purchased a tie, find the probability t

hat at least one purchased a bow tie.
Mathematics
1 answer:
Elan Coil [88]3 years ago
8 0

Answer:

P=0.1147

Step-by-step explanation:

P(bow tie)=0.03

P(no bow tie)=0.97

n=4

P(at \ least \ one)=1-P(none)\\=1-(1-0.03)^4\\=0.1147

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