Mathematics, 17.12.2020 17:50 H7ttaMaan
SAT verbal scores are normally distributed with a mean of 430 and a standard deviation of 120 (based on the data from the College Board ATP). If a sample of 15 students is selected randomly, find the probability that the sample mean is above 500. Does the central limit theorem apply for this problem?
Answers: 3
Mathematics, 21.06.2019 17:00
Which simplifys to a+ b? a-(1-b)+1 -(1-a)-b+1 (a--1) -1)+1
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Mathematics, 21.06.2019 17:20
Two language majors, anna and megan, took exams in two languages. anna scored 85 on both exams. megan scored 74 on the first exam and 85 on the second exam. overall, student scores on the first exam had a mean of 82 and a standard deviation of 4, and the second exam scores had a mean of 71 and a standard deviation of 13. a) to qualify for language honors, a major must maintain at least an 85 average across all language courses taken. so far, which of anna and megan qualify? b) which student's overall performance was better?
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Mathematics, 21.06.2019 22:30
Agallon of apple juice cost $7 a pack of eight 4.23oz box of apple juice $2.39 which is a better deal
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Mathematics, 22.06.2019 00:00
Given the diagram below, michael writes, "segment ac is congruent to segment ac." which of the following reasons allow him to write this statement?
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SAT verbal scores are normally distributed with a mean of 430 and a standard deviation of 120 (based...
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