If 3% of ties sold in the United States are bow ties, what is the probability of randomly selecting three ties that were purchased and all three were bow ties?

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22-05-2018
Mathematics

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If 3% of ties sold in the United States are bow ties, what is the probability of randomly selecting three ties that were purchased and all three were bow ties?

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CastleRook CastleRook · Answer 1 · 2018-05-31T09:23:29+02:00

CastleRook CastleRook

31-05-2018

Given that 3 ties were selected and the probability of selecting a bow tie is 3%, the probability of selecting 3 bow ties will be:
P(selecting 3 ties)=P(selecting a bow tie)*P(selecting a bow tie)*P(selecting a bow tie)
=(0.03)*(0.03)*(0.03)
=0.000027

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