You have two decks of 26 cards. Each card in each of the two decks has a diﬀerent letter of the alphabet on it. You pick at random one card from each of the two decks. A vowel is worth 3 points and a consonant is worth 0 points. Let X = the sum of the values of the two cards picked. Find E(X), V (X), and the standard deviation of X .

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The Answer of You have two decks of 26 cards. Each card in each of the two decks has a diﬀerent letter of the alphabet on it. You pick at random one card from each of the two decks. A vowel is worth 3 points and a consonant is worth 0 points. Let X = the sum of the values of the two cards picked. Find E(X), V (X), and the standard deviation of X .

You Have Two Decks of 26 Cards