Question: Suppose the probability that it will rain today is 1/5, and the probability that I will forget my umbrella is 1/2. Suppose also that the

Suppose the probability that it will rain today is 1/5, and the probability that I will forget my umbrella is 1/2. Suppose also that the probability that I will forget my umbrella given that it rains is 3/4. What is the probability that it will both rain and that I will forget my umbrella? The rules: The conjunction rule is: P(A and B) = P(A) x P(B/A). Use fractions with this rule rather than odds. The disjunction rule is: P(A or B) = P(A) + P(B) - P(A and B). Use fractions rather than odds. Find the common denominator before addition/subtraction. Select an answer and submit. a. 1/2 b. 1/3 c. 3/20 d. 4/9

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