If and are independent events with and , find .
Answer and explanation
Correct answer: A. 1/2
- Step 1: For two statistically independent events and , the joint intersection probability is given by .
- Step 2: Substitute the given probabilities: .
- Step 3: Simplify the fraction to lowest terms: .
Answer
1/2.
Why not the others: The alternative choices (11/12, 17/12, 1/12) stem from algebraic sign mistakes, misapplying coordinate formulas, or intermediate arithmetic calculation slips.
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