A bag has 3 red marbles, 2 blue and 4 yellow. What is the theoretical probability of pulling a red?
A. 3/10
B. 1/9
C. 3/9
D. 2/3
A. 3/10
B. 1/9
C. 3/9
D. 2/3
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Answer:
C. 3/9 (although it should be 1/3)
Step-by-step explanation:
Total no.of outcomes=3+2+4=9
No. of red marbles=3
ie no. of favourable outcomes=3
p(e)=total no. of outcomes/no. of favourable outcomes
p(red marble)=3/9
=1/3