a bag contains 30 balls numbered from 1 to 30, one ball is drawn at random find the probability that the number of the ball drawn will be multiple of i.)5 or 7 ii.)3 or 7
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0
Answer:
Total number = 30
(A) Probability of the number being multiple of 3 is
P (3, 6, 9, 12, 15, 18, 21, 24, 27,30) =
30
10
=
3
1
(B) Probability of the number being multiple of 5 is P(5, 10, 15, 20, 25, 30) =
30
6
=
5
1
=0.2
(C) Probability of the number being multiple of 7 is P (7,14, 21,28)=
30
4
=
15
1
(D) Probability of the number being multiple of 3 and 5 is P(15,30) =
30
2
=
15
1
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2
Answer:
WRIGHT ANSWER IS (II) 3 OR 7 MARK MY SNSWER IN BRAINLIST ANSWER
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