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Three cards are drawn one after another with replacement from a pack of cards. What is the probability of getting first card a Jack, second card a bla
Question

Three cards are drawn one after another with replacement from a pack of cards. What is the probability of getting first card a Jack, second card a black card, and third card an even numbered card?

A.

25/26

B.

  5/338

C.

20/338

D.

5/169

Correct option is B

Given:  

Cards are drawn one after another with replacement.

Concept Used:

Concept of Probability;
Probability, P(E)=Number of favourable outcomesTotal number of possible outcomes\text{Probability, } P(E) = \frac{\text{Number of favourable outcomes}}{\text{Total number of possible outcomes}}

Where, P(E) = Probability of events,

Solution:

As per the question;

Total number of cards in pack of cards = 52

Total jack cards = 4

Total black cards = 26

Total even number of cards = 20

Now,

probability of getting first card a Jack = 452=113\frac{4}{52} = \frac{1}{13}

probability of getting second card a black card with replacement = 2652=12 \frac{26}{52}=\frac{1}{2}

probability of getting third card an even numbered card = 2052=513\frac{20}{52}=\frac{5}{13}

required probability = 113×12×513=5338\frac{1}{13} \times \frac{1}{2} \times \frac{5}{13} = \frac{5}{338}

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