Mathematics, 27.04.2021 07:10, angie249
In an all boys school, the heights of the student body are normally distributed with a mean of 68 inches and a standard deviation of 4.5 inches. Using the empirical rule, what percentage of the boys are between 54.5 and 81.5 inches tall?
Answers: 3
Mathematics, 21.06.2019 17:20, ryleepretty
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?
Answers: 2
Mathematics, 21.06.2019 18:30, alleahbethea199
Divide. write in the simplest form. 4 1/6 divided by 10
Answers: 2
Mathematics, 21.06.2019 20:00, stichgotrich7159
Michael is training for a marathon. in his first week he plans to run 8miles. what path should he take
Answers: 1
In an all boys school, the heights of the student body are normally distributed with a mean of 68 in...
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