A card was selected at random from a standard deck of cards. The suit of the card was recorded, and then the card was put back in the deck. The table shows the results after 40 trials.
What is the relative frequency of selecting a diamond?
Outcome Club Diamond Heart Spade
Number of 8 12 11 9
trials
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A.
23%
B.
25%
C.
30%
D.
42%