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Homework Help: Binomial PDF

  1. Oct 11, 2008 #1
    Que. 1 : In a mech. sys. 5 bulbs are used and system will operate if any 3 are functioning. Given that 15% of bulbs are defective , with aid of binomial PDF determine what are the chances that the system will malfunction?

    Que. 2 :
    Suppose 15% of total population of tubes is defective and that 5 tubes are randomly selected. Determine the probability that there will be among those selected:
    1) no defectives
    2) only 2 defectives
    3) no more than 2 defectives
    4) only 3 defectives
    5) no more than 3 defectives
     
  2. jcsd
  3. Oct 11, 2008 #2
    solved thanks
     
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