Use the following information for questions:
A card is drawn at random from a standard 52-card deck.
-The conditional probability that the card is a 2 given that a 2 or a 3 was drawn is
A) 20.0% (1/5)
B) 25.0% (1/4)
C) 33.3% (1/3)
D) 50.0% (1/2)

Question

Use the following information for questions:
 A card is drawn at random from a standard 52-card deck.
-The conditional probability that the card is a 2 given that a 2 or a 3 was drawn is
A) 20.0% (1/5)
B) 25.0% (1/4)
C) 33.3% (1/3)
D) 50.0% (1/2)

Quizplus · Accepted Answer

Given that a 2 or a 3 was drawn, there are 8 possible outcomes (4 twos and 4 threes). The probability that the card is a 2 out of these 8 possible outcomes is 4/8, which simplifies to 1/2 or 50%.

Use the Following Information for Questions