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Answer:
The expected value of the number of spades are = 4.25
Step-by-step explanation:
As per the question,
W know that in a standard deck of 52 playing card, there are 4 suits, and each suit have 13 playing card.
Since, we know that
Therefore,
Probability of any random card being a spade is
So the expected number of spades we draw are
Hence, the expected value of the number of spades are = 4.25