One card is drawn from a pack of 52 cards, each of the 52 cards being equally likely to be drawn find the probability the card drawn is black.
Correct Answer: Option A
We know that:
When one card is drawn from a pack of 52 cards
The numbers of possible outcomes n(s) = 52
We know that there are 26 black cards in the pack of 52 cards
⇒ The numbers of favorable outcomes n(E) = 26
Probability of occurrence of an event : \(P\left( E \right) = {{Number\ of\ favorable\ outcomes} \over {Numeber\ of\ possible\ outcomes}} = {{n\left( E \right)} \over {n\left( S \right)}}\)
∴ required probability = 26/52=1/2
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