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Questions 3-4: You are guessing at random on an 11-question multiple choice quiz. Each question has...

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Statistics

Questions 3-4: You are guessing at random on an 11-questionmultiple choice quiz. Each question has five choices, one of whichis correct.

3. What is the probability of getting 5 or more questionscorrect?: *
(A) 0.0117
(B) 0.0504
(C) 0.9496
(D) 0.9883

4. How many questions do you expect to get correct?: *
(A) 2.2
(B) 4.8
(C) 5
(D) 5.5

5. A 95% confidence interval for the proportion of people whobelieve the Loch Ness Monster exists is (0.6234, 0.7368). Whatsingle value would you use to estimate the true proportion ofpeople who believe in the monster?: *
(A) 0.1134
(B) 0.6234
(C) 0.6801
(D) 0.7368

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