Engineering Board Exam Reviewer · Hypergeometric, Poisson, and Geometric Distributions · medium

A cable has an average of 2 defects per 10 meters (Poisson). What is the probability of no defects in a 10-meter length?

  1. 0.2707
  2. 0.8647
  3. 0.1353
  4. 0.3679

Answer

C. 0.1353

Solution

P(0)=e- =e-2=0.1353.

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