A colleges offers 8 subject including maths, each student has to opt for 3 subject. If anad opts for maths then what is probability that he
Answer (1)
23rd Nov, 2018
Anad ahs already Opted for Maths Now he Needs to select two More subjects, But the two subjects are fixed so only one way he can select, But the possibility to select two subjects is 7C2 that is two subjects out of available 7, therefore the required Probability is 1/7C2
3 Comments
Comments (3)
8C3/7C2
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But I don't know how to find it can you give a process of solving it
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