Methods in business-economics-statistics


Question: There are 10 rolls of film in a box and 3 are defective. Two rolls are to be selected, one after the other. What is the probability of selecting a defective roll followed by another defective roll?

  • 1/2, or 0.50
  • 1/4, or 0.25
  • 1/120, or about 0.0083
  • 1/15, or about 0.07

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Accounting Basics: Methods in business-economics-statistics
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