Question: Suppose we want to choose 2 objects, without replacement, from the 5 objects penci, eraser, desk, chair, and lamp. (if necessary, consult a list

Suppose we want to choose 2 objects, without replacement, from the 5

Suppose we want to choose 2 objects, without replacement, from the 5 objects penci, eraser, desk, chair, and lamp. (if necessary, consult a list of formulas.) (a) How many ways can this be done, if the order of the choices matters? (b) How many wiys can this be done, if the order of the choices does not matter?

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