You roll a die. Find the probability of rolling a number less than 4 AND rolling an odd number.

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P(X = 4) AND P(X is odd)

Which means P(X = 1) + P(X = 3)

• P(X = 1) = 1/6
• P(X = 3) = 1/6
• P(X = 1) + P(X = 3) = 1/6 + 1/6 = 2/6 = 1/3