Explain Solution R.D. Sharma Class 12 Chapter 30 Probability  Exercise 30.5 Question 34 Sub Question 2 Maths Textbook Solution.

Answers (1)

Answer: \frac{16}{33}

Hint: You must know the rules of finding probability functions.

Given: Out of 100 students, two section of 40 and 60 are formed

Solution: We know,

P\left ( E \right )=1-P\left ( {E}' \right )

E.g. The probability that both enter different section =

            1-probability that both enter same section.

=1-\frac{17}{33}

=\frac{33-17}{33}=\frac{16}{33}

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