Question

if a ball contains 20 red balls and 11 white balls if one ball is taken out
what is the probability getting white ball
what is the probability of getting red ball​

Answer 1

Answer:

if the white ball is taken out then there is 10 white ball

and if red ball is taken out then ther is 19 red ball

Answer 2

Answer:

20 red balls and 11 white balls

total balls =31

probability getting white ball

1/31

and

probability of getting red ball​

1/31

because we do not know what ball we are picking

whether white or red

so i add the two balls since it contains in one bag.

hope this helps u

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