One card is drawn at random from a pack of 52 cards. Then find the probability that the card is either red card or a king?
1. 5/13
2. 8/13
3. 9/13
4. 7/13
1. 5/13
2. 8/13
3. 9/13
4. 7/13
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Correct Answer – Option 4 : 7/13
Formula used:
P(E) = (Favorable events)/(Total events)
Calculation
Total red card = 13 heart + 13 diamond = 26
King = 4
Total favorable events = The card is either red card or a king = 26 + 4 – 2 = 28
P(E) = 28/52 = 7/13
∴ The required probability is 7/13