alleryOne card is drawn from a pack of 52. The probability that it is a red king is:
A1/26 of draws
B1/13 of draws
C1/52 of draws
D2/13 of draws
Answer & Solution
Correct answer: A. 1/26 of draws
1. The red kings are the king of hearts and the king of diamonds: 2 cards.
2. All 52 cards are equally likely.
3. P(red king) = 2/52 = 1/26.
_Source: syllabus Mathematics, Ch 14 'Probability' (kemh114)_
Keep practising Statistics and Probability
Browse all Statistics and Probability questions for JEE Advanced, or explore more Mathematics topics.
Related questions
For two events, P(A) = 0.54, P(B) = 0.69 and P(A and B) = 0.35. The probability that A occTwo dice are thrown. The probability that the sum of the numbers is at most 4 is:A fair coin is tossed three times. The probability of getting exactly two heads is:A and B are mutually exclusive, P(not A) = 0.65 and P(A or B) = 0.85. Then P(B) equals:A fair coin is tossed three times. The probability of getting at least one head is:A, B and C are mutually exclusive and exhaustive with P(A) = 1/2 and P(B) = 1/3. Then P(C)One card is drawn from a pack of 52. The probability that it is neither a king nor a queenTwo dice are thrown together. The probability of getting a doublet is: