Three companies share the entire market for a particular product. Company A has a $50 \%$ share, company B has a $\mathbf{3 0} \%$} share, and company $\mathrm{C}$ has a $20 \%$.
-If 12 people who buy the product are selected at random, find the probability that five buy the product from company A, four from company B, and three from company C.

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The Answer of Three companies share the entire market for a particular product. Company A has a $50 \%$ share, company B has a $\mathbf{3 0} \%$} share, and company $\mathrm{C}$ has a $20 \%$.
-If 12 people who buy the product are selected at random, find the probability that five buy the product from company A, four from company B, and three from company C.

Three Companies Share the Entire Market for a Particular Product 50%50 \%50%

Three Companies Share the Entire Market for a Particular Product $50 \%$