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MATH / Alyssa has four marbles: a red one, a blue one, a green one, and a yellow one.…

Problem

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problem

Alyssa has four marbles: a red one, a blue one, a green one, and a yellow one. In how many different ways can she form a set consisting of some of the marbles if she must choose at least one marble?  (In a set of chosen marbles, it does not matter in what order she chose the marbles.)

level

Level 3

type

Counting & Probability

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