Explain Solution R.D.Sharma Class 12 Chapter 30 Probability  Exercise 30.5 Question 33 Sub Question 2 Maths Textbook Solution.

Answers (1)

Answer: \frac{1}{338}

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

Given: Card is drawn from 52 cards, the outcome is noted, the card is replaced and reshuffled,

Another card is drawn.

Solution

We have, four ace and 2 red queens.

P(first card an ace and second card a red queen)

=P(getting an ace)×P(getting a red queen)

=\frac{4}{52}\times \frac{2}{52}

=\frac{1}{13}\times \frac{1}{26}

=\frac{1}{338}

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