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  • 07-01-2016
  • Mathematics
Answered

A certain type of bird has a probability of 1/12 Harding a bird with white feather. If a bird lays 2 eggs, find the probability of hatching

Aexactly one bird with white feathers

Bat least one bird with white feathers.



Verified Answer :

Since3122015
Since3122015 Since3122015
  • 07-01-2016
A\(\frac{1}{12}*(1-\frac{1}{12})\\\frac{1}{12}*\frac{11}{12}\\\frac{11}{144}\)

B. \(\frac{1}{12}*(1-\frac{1}{12})+\frac{1}{12}*\frac{1}{12}\\\frac{1}{12}*\frac{11}{12}+\frac{1}{144}\\\frac{11}{144}+\frac{1}{144}\\\frac{12}{144}\\\frac{1}{12}\)
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