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  • Need solution for RD Sharma Maths Class 12 Chapter 30 Probability Exercise 30.3 question 23.

Need solution for RD Sharma Maths Class 12 Chapter 30 Probability Exercise 30.3 question 23.

Answers (1)

Answer: \frac{5}{8}

Hint:  P(E \mid F)=\frac{P(E \cap F)}{P(F)}

Given :- Let,     M= Students passes Mathematics,

            C=Students Passes Computer Science

\begin{aligned} &P(M)=\frac{4}{5} \\ &P(M \cap C)=\frac{1}{2} \end{aligned}

Now,

\begin{gathered} P(C \mid M)=\frac{P(\mathrm{CnM}]}{p(M)} \\ =\frac{\frac{1}{2}}{\frac{4}{5}} \\ =\frac{5}{8} \end{gathered}

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