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  3. b. an investor wants to create a portfolio of thre

b. An investor wants to create a portfolio of three stocks form a set that consists...

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Basic Math

b. An investor wants to create a portfolio of three stocks forma set that consists of 5 defense companies, 4 transportationcompanies and 6 healthcare companies. If the investor picks thethree stocks at random, what is the probability that all threestocks will be from different industries.

c. In part (b), what is the probability that at least two out ofthe three stocks picked will be from different industries?

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