Question

A box of 20 mangoes contain 4 rotten mangoes. Two mangoes are drawn at random without replacement from this box. Obtain the probability distribution of the number of rotten mangoes in the sample.

Answer 1

Answer:

Step-by-step explanation:

Total ways of choosing any 2 mangoes is (102).

Ways to choose good 2 mango is (62)=6×5/2=3×5.

So probability of getting 2 good is  6×5(102)=3×55×9=13.