A bag containing 5 white, 6 red balls and 9 green balls. A ball is Drawn at random from the bag. Find the probability of (i) A white (or) a red ball (ii) neither a green ball nor a white ball

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Asked by yehovanissiprayerhouse | 31st Jul, 2020, 10:54: AM

Expert Answer:

Here we have

Total space number space of space balls equals 5 plus 6 plus 9 equals 20
left parenthesis straight i right parenthesis space space straight P left parenthesis drawing space straight a space white space or space green space ball right parenthesis equals fraction numerator 5 plus 6 over denominator 20 end fraction equals 11 over 20
left parenthesis ii right parenthesis space straight P left parenthesis drawing space neither space green space ball space nor space straight a space white space ball right parenthesis
space space space space space equals straight P left parenthesis drawing space straight a space red space ball right parenthesis equals 6 over 20 equals 3 over 10

Answered by Renu Varma | 31st Jul, 2020, 11:28: AM