Question

a ball is drawing at random a boxcontaining 70 white balls and 30 red balls. one ball drawn at random. find probability that is Red ?​

Answer 1

Answer:

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Answer 2

Answer

Total no. of balls = white ball + red ball.

70 + 30 =100.

No. of favourable outcomes =30.

P(e) = No. of favourable outcomes / Total no. of balls.

P(e) = 30/100.

3/10 = 0.3