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Mathematics 7 Online
OpenStudy (anonymous):

A box stored in a warehouse contains 100 identical parts of which 15 are defective and 85 are non-defective. Three parts are selected without replacement. What is the probability that all three are defective?... AHHHH!!! I don't know.

OpenStudy (anonymous):

15/100 x 14/99 x 13/98 = 2730/970200 or .0028138528

OpenStudy (anonymous):

thank you. your a lifesaver

OpenStudy (anonymous):

welcome

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