ummsumaiyah3583
06.11.2019 •
Mathematics
For a standardized psychology examination intended for psychology majors, the historical data show that scores have a mean of 520 and a standard deviation of 180. the grading process of this year's exam has just begun. the average score of the 35 exams graded so far is 518. what is the probability that a sample of the 35 exams will have a mean score of 518 or more if the exam scores follow the same distribution as in the past? carry your intermediate computations to at least four decimal places. round your answer to at least three decimal places.
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Ответ:
let t be tickets and b be beverages
Step-by-step explanation:
16t + 3b = 1900