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A factory needs two raw materials, say, A and B. The probability of having an adequate supply of material A is 0.94, whereas the probability of having an adequate supply of material B is 0.96. A study shows that the probability of a shortage of both A and B is 0.02. What is the probability that the factory has a shortage of either material A or B?

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  • math -

    What kind of HELP do you need? You need to be specific when asking questions here.

    If all you do is post your entire assignment, with no evidence of thinking on your part, nothing will happen since no one here will do your work for you. But if you are specific about what you don't understand about the assignment or exactly what help you need, someone might be able to assist you.

  • math -

    Hint: work with the probabilities of shortage of A, B, A∩B, and from the three, calculate A∪B.

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