Math, asked by zaidddkhannnnn, 4 months ago

An urn contains 5 blue and 7 gray balls. Let us say that 2 are chosen at random, one after the other, without replacement. What is the probability that at least one of the balls is blue?

Answers

Answered by sambhavipihu257

0

Answer:

1/2

Step-by-step explanation:

Probability that at least one ball is blue =

Favourable outcomes/Total no. of outcomes

=1/2 .

Hence 1/2 is the answer.

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