Question: Answer f4 On a test given to 2000 students, the mean grade was u=72.6, with a standard deviation, 6 = 9.43. Assuming a normal distribution,

Answer f4 On a test given to 2000 students, the mean
grade was u=72.6, with a standard deviation, 6 = 9.43. Assuming a

Answer f4 On a test given to 2000 students, the mean grade was u=72.6, with a standard deviation, 6 = 9.43. Assuming a normal distribution, estimate the following. a) The number of students who got an A grade, (between 80 and 89). x b) The number of students who scored less than 50. ( Z = T\

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