Question: 4.26 An assembly operation for a computer circuit board consists of four operations that can be performed in any order. a In how many ways

4.26 An assembly operation for a computer circuit board consists of four operations that can be performed in any order.

a In how many ways can the assembly operation be performed?

b One of the operations involves soldering wire to a microchip. If all possible assembly orderings are equally likely, what is the probability that the soldering comes first or second?

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