Given the events below, determine which equation correctly calculates the probability of drawing two kings in a row from a stand
ard 52-card deck, without replacement.
Event A: The first card drawn is a king.
Event B: The second card drawn is a king.
A. P(A n B) = P(A) * P(B|A)
B. P(A n B) = P(A) * P(B)
C. P(A n B) = P(A) * P(A|B)
D. P(A n B) = P(B) * P(B|A)
1 answer:
P of drawing two kings in a row = P of first card is a king * P of second card is a king given that the first card was a king
P (A ∩ B) = P(A) * P(B|A)
Answer: option A.
You can check that this is 4/52 * 3/51
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