Determine the size of the sample space for the experiment described.A box contains 3 blue cards numbered 1 through 3, and 4 green cards numbered 1 through 4. State the number of elements in the sample space of picking a blue card followed by a green card.
A. n(S) = 9
B. n(S) = 7
C. n(S) = 144
D. n(S) = 12
Answer: D
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A. 
?
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?
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?
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?
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A. 
%
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