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Question: The American Association for Public Opinion Research (AAPOR) is an association of about 1600 individuals who share an interest in public opinion and survey research. They report that typically as few as 10% of random phone calls result in a completed interview. Reasons are varied, but some of the most common include no answer, refusal to cooperate, and failure to complete the call. Which of the following events are independent, which are disjoint, and which are neither independent nor disjoint?
a) A = Your telephone number is randomly selected. B = You're not at home at dinnertime when they call.
b) A = As a selected subject, you complete the interview. B = As a selected subject, you refuse to cooperate.
c) A = You are not at home when they call at 11 a.m. B = You are employed full-time.
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