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Probability of making a selection

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Consider that we have in an industrial complex two large boxes, each of which contains 30 electrical components. It is known that the ?rst box contains 26 operable and 4 nonoperable components and that the second box contains 28 operable and 2 nonoperable components. Assume that the probability of making a selection from each of the boxes is the same.

(a) Find the probability that a component selected at random will be operable.

(b) Suppose the component chosen at random is operable. Find the probability that the component was chosen from box 1.

Reference no: EM13963661

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