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The average score of 100 students taking a statistics final was 70 with a standard deviation of 7. Assuming a normal distribution, find the probability
The average score of 100 students taking a statistics final was 70 with a standard deviation of 7. Assuming a normal distribution, find the probability of the following questions: (a) How many scored less than 60? (b) How many scored 90 or higher? (c) How many scored greater than 65? (d) How many scored less than 75? (e) How many scored between 50 - 80? (f) What is the range of score for 98% percent students
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Introduction to Probability
Authors: Mark Daniel Ward, Ellen Gundlach
1st edition
716771098, 978-1319060893, 1319060897, 978-0716771098
