Mathematics, 01.12.2021 02:20 montgomerykarloxc24x
For a standardized psychology examination intended for psychology majors, the historical data show that scores have a mean of and a standard deviation of . The grading process of this year's exam has just begun. The average score of the exams graded so far is . What is the probability that a sample of exams will have a mean score of or more if the exam scores follow the same distribution as in the past
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For a standardized psychology examination intended for psychology majors, the historical data show t...
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