i) A bag contains 5 black balls, 4 white balls and 3 red balls. If a ball is selected randomly, the probability that it is a black or red ball is ..
Answers
Answered by
0
Answer:
black ball = 5/12
Red Ball = 1/3
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Answered by
4
Answer:
Total number of cases=5+4+3=12
Number of favorable cases=5+4=9 (No red ball)
∴ probability=
total
favorabe
=
12
9
=
4
3
Option D is correct.
Step-by-step explanation:
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