Exercise 3

An ice cream parlor has 30 flavors but Su likes only half of them. It isn't because she's picky. This parlor features the flavors Charred Chocolate Chip, Swine Swirl and Deuce de Leche. It doesn't actually do a lot of business.

If the scooper makes a three-scoop ice cream cone at random (using three different flavors),

(a) What is the probability Su will like all three flavors?

(b) What is the probability Su will like at least one flavor?

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