Justify if the experiment is random What could be the random events in this case? Find the frequency and probability distribution for the random variable indicating defective sets in the purchase.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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A person is interested in developing his business for the production of a FMCG product. For that purpose, he makes a random purchase of 4 units of production machine from a shipment of 12 units which contains 3 defective units. Find the following:

 

  1. Justify if the experiment is random
  2. What could be the random events in this case?
  3. Find the frequency and probability distribution for the random variable indicating defective sets in the purchase.
  4. Find the expected value of no. of defective sets.
  5. Comment on the shape of the distribution

           

 

 

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