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  • Explain solution RD Sharma class 12 chapter Probability exercise 30.2 question 10 maths

Explain solution RD Sharma class 12 chapter Probability exercise 30.2 question 10 maths

Answers (1)

Answer:

 \frac{13}{204}

Hint:

\begin{aligned} &\text { Probability }=\frac{\text { No. of event favourable outcomes }}{ \text { Total no. of outcomes }} \end{aligned}

Given, A=A heart in the 1st draw

            B=A diamond in the 2nd draw

\begin{aligned} &P(A)=\frac{13}{52}=\frac{1}{4}\\ &P\left ( \frac{B}{A} \right )=\frac{13}{51}\\ &\text { Required Probability }=P(A\cap B)\\ &=P(A)\times P\left ( \frac{B}{A} \right )\\ &=\frac{1}{4}\times \frac{13}{51}\\ &=\frac{13}{204} \end{aligned}

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Gurleen Kaur

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