Q5.(1) An bag contains 3 red , 5 blue, 4 green and 6 orange balls. A ball is drawn from the bag at random. What is the probability that the ball drawn is white? (2) Three coins are tossed together. Find the probability of getting atleast two heads.
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Step-by-step explanation:
5
White
6
Red
9
Green
Total number of balls =5+6+9
=20
(i) Probability =
Total cases
favourable cases
P(Green) =
20
9
(ii) P(White or red) =
20
5+6
=
20
11
(iii) P(neither green nor white) = P(Red)
=
20
6
=
10
3
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