# 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??

1. I DON'T KNOW? wHAT IS IT?

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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