The final exam scores for History 101 are at the University of Oklahoma are normally distributed with mean p = 73.4 and standard deviation o = 8.2, use the Z scores and Z areas table to find the following: If 1 student is randomly selected, find the probability that the student scored an A (90 or above) on the exam. 18 (A) 0.9783 (B) 0.9673 (C) 0.0864 (D) 0.0217 X scor H= 73.4 O = 8.2 Z scal z = 0 If 1 student is randomly selected, find the probability that the student scored an F (59 or below) on the exam. 19 (A) 0.9608 (B) 0.0392 (C) 0.6380 (D) 0.7642 If a sample of 25 students are randomly selected, find the probability that the mean of their test scores was 75 or below. 20 (A) 0.9306 (B) 0.8298 (C) 0.8340 (D) 0.7506

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