A test in statistics for Decision Making course was administered to 2,500 MBA students. The test scores have an average score of 42 and variance 576. Assuming that the distribution is normal, find Required The probability that a student selected at random will have a score of less than 50 The number of students who had score between 30 and 54 inclusive The probability that a student selected randomly would have a score greater than 72

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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A test in statistics for Decision Making course was administered to 2,500 MBA students. The test scores have an average score of 42 and variance 576. Assuming that the distribution is normal, find

Required

  1. The probability that a student selected at random will have a score of less than 50
  2. The number of students who had score between 30 and 54 inclusive
  3. The probability that a student selected randomly would have a score greater than 72
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