There are these two sets of letters, and you are going to pick exactly one letter from each set. What is the probability

Set 1 = $\{A, B, C, D, E\}$
Set 2 = $\{K, L, M, N, O, P\}$

There are these two sets of letters, and you are going to pick exactly one letter from each set. What is the probability of picking at least one vowel?

A. $\dfrac16$

B. $\dfrac13$

C. $\dfrac12$

D. $\dfrac23$

E. $\dfrac56$

Answer: C

Source: Magoosh

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