Discussion

A letter is chosen at random from the letters of the word ASSASSINATION. The probability that the letter chosen is a consonant is:

Answer: B

ASSASSINATION has 13 letters: A, S, S, A, S, S, I, N, A, T, I, O, N.

\[ \text{vowels: A, A, A, I, I, O} \rightarrow 6 \]

\[ \text{consonants: S, S, S, S, N, N, T} \rightarrow 7 \]

\[ P(\text{consonant}) = \frac{7}{13} \]

The two counts must add to 13, which is the check that neither has been miscounted.

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