Question

A bage cotains 5 red 8 green and 7 white balls one ball is drawn in the random from the bage find the probability of getting 1)a white ball or agreen ball
2)neither a green ball nor a red ball
3)red or white

Answer 1

Answer:

Total number of balls =5+8+7=20.

(1) probability of white ball =7/20.

and probability of green ball =8/20=4/5.

(2)probability neither green ball nor red ball =7/20

(3)probability of white ball =7/20.

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