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Question 12 (5 points) At a Psychology final exam, the scores are normally distributed with a mean 70 points and a standard deviation of 10 points. Find the probability that a student selected at random will get a score between 60 and 81. Question 12 options: Approx. 0.3453 C Approx. 0.7057 Approx. 0.7345 C 0.9 Question 13 (7 points) At a Psychology final exam, the scores are normally distributed with a mean 70 points and a standard deviation of 10 points. d) Find the score that separates the lower 5% of the class from the rest of the class. Question 13 options: C Approx. 53.55 C Approx. 50.55 Approx. 60 Approx. 70 Question 14 (4 points) The following confidence interval is obtained for a population proportion p: 0.880