3. A polling station in Salt Lake City has 50 registered Republicans and 50 regi

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3. A polling station in Salt Lake City has 50 registered Republicans and 50 registered Democrats. After 4 people show up to vote, let R be manlier of Republicans and D be the number of Democrats that have voted. (a) Compute and list all the entries of the joint probability table P(R = a, D = b) that are non-zero. (h) What is Cov(R, D)? (c) What is p(R, D)? Hint: These computations may seem daunting, but the final answers should come out to be simple numbers. You can use a calculator of course, but don't just give the final answer show your work!

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3. A polling station in Salt Lake City has 50 registered Republicans and 50 regi

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