Mathematics, 12.04.2021 14:30, saifulcrc468
The mean annual salary of classroom teachers is approximately the normal with a mean of $ 45,969. Assume a standard deviation of $7600. Do the following for the variable "annual salary" of classroom teachers.
Determine the sampling distribution of the sample mean for samples of size 64.
The sample mean is μₓ
Answers: 1
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 20:10, kingdrew27
Acolony contains 1500 bacteria. the population increases at a rate of 115% each hour. if x represents the number of hours elapsed, which function represents the scenario? f(x) = 1500(1.15)" f(x) = 1500(115) f(x) = 1500(2.15) f(x) = 1500(215)
Answers: 3
The mean annual salary of classroom teachers is approximately the normal with a mean of $ 45,969. As...
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