Defective probability i need help

If 3% of electric bulb produced by a company are defective find the probability that in a sample 100bulbs
(a) 0 (b)1 (c)2 (d)3 bulbs are defective??

asked by Collins

    posted by Anonymous
  2. a. 0 = 0.0476
    b. 1 = 0.1471
    c. 2 = 0.2252
    d. 3 = 0.2275

    posted by AJ
  3. use Poisson distribution

    posted by helper

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