Number of failed trials


In a test of weld strength, 80% of tests result in a fracture in the weld,while 20% result in fracture in the beam. Let X denotes the number of failed trials that precede the 3rd beam fracture.

1.) What is the distribution of X

2.) Find p(x=8)

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Basic Statistics: Number of failed trials
Reference No:- TGS0740418

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