The probability that a student selected ...

The probability that a student selected at random from class will pass in Mathematics is 4/5, and the probability that he/she passes in Mathematics and Computer Science is . What is the probability that he/she will pass in Computer Science if it is known that he/she has passed in Mathematics?

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We have
M= Passed Maths
C= Passed Computer Science

`P(M)=frac{4}{5} `
`P(M cap C)=frac{1}{2}`
...

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