A bag contains 20 mangoes and 30 oranges out of which 50% of both mangoes and oranges are sour. two fruits are taken out of the bag at random. what is the probability that either both are oranges or both are sour?
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No. of possible out comes=50
No .of favourable outcomes= 1
Probability= 1/5
No .of favourable outcomes= 1
Probability= 1/5
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1
30c2/50c2 + 32c2/50c2 - 15c2/50c2
435/1225 + 496/1225 - 105/1225
= Required Answer
Correct me if am wrong.
435/1225 + 496/1225 - 105/1225
= Required Answer
Correct me if am wrong.
jayasudha12896:
Ans is 0.51. But I don't know how to solve. That is why I asked this question. But your ans is 0.62. Any way thank you for your answer.
I think (30C2/50C2)+(20C2/50C2)=0.50
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