turkey-yks 2010 Q17

turkey-yks · Other · lys1-math Probability Definitions Finite Equally-Likely Probability Computation

Let $A = \{1,2,3,4\}$ and $B = \{-2,-1,0\}$. For any element $(a,b)$ taken from the Cartesian product set $A \times B$, what is the probability that the sum $a + b$ equals zero?
A) $\frac{1}{4}$
B) $\frac{1}{5}$
C) $\frac{1}{6}$
D) $\frac{1}{7}$
E) $\frac{2}{7}$

Let $A = \{1,2,3,4\}$ and $B = \{-2,-1,0\}$. For any element $(a,b)$ taken from the Cartesian product set $A \times B$, what is the probability that the sum $a + b$ equals zero?

A) $\frac{1}{4}$\\
B) $\frac{1}{5}$\\
C) $\frac{1}{6}$\\
D) $\frac{1}{7}$\\
E) $\frac{2}{7}$

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