Math

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A sample of 4 different calculators is randomly selected from a group containing 47 that are defective and 29 that have no defects. What is the probability that all four of the calculators selected are defective? Round to four decimal places.

  • Math -

    47+29 = 76

    first one 47/76
    second on 46/75
    third one 45/74
    fourth one 43/73

    multiply :)

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