Question

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

3. What is the probability of getting 5 or more questions correct?: *
(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 who believe the Loch Ness Monster exists is (0.6234, 0.7368). What single value would you use to estimate the true proportion of people who believe in the monster?: *
(A) 0.1134
(B) 0.6234
(C) 0.6801
(D) 0.7368

Answer 1