Question
A card is drawn from a standard deck. A second card is drawn, without replacing the first card. Consider the following events: Event A = The first card selected is red. Event B = The second card selected is black. What word describes the relationship b
A card is drawn from a standard deck. A second card is drawn, without replacing the first card. Consider the following events: Event A = The first card selected is red. Event B = The second card selected is black. What word describes the relationship b
Answers
They are not independant.
Event A has a chance of
#26/52=1/2=0.50# of happeningNow that you have removed this card from the deck, the chance of the second card being black is not 50/50 anymore, but:
#26/51~~0.51# (second card red would be#25/51~~0.49# )In this case the draw (without putting back) influences the second draw.
If you put back the card after each draw, the events would be independant, for every time you draw a new card, the chances would be 50/50.
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