Mathematics, 04.04.2020 10:47 LukeJV8757
The following sample data are measurements of weight of middle school students. 153, 148, 151, 163, 114, 164, 135, 131, 176 1. (25%) Assume that we do not know the true standard deviation of middle school students. Calculate the two 1-sided 95% confidence intervals on the mean (find both upper and lower limits).
Answers: 3
Mathematics, 21.06.2019 15:00
Adam drew two same size rectangles and divided them into the same number of equal parts. he shaded 1/3 of one rectangle and 1/4 of the other rectangle. what is the least number of parts into which both rectangles could be divided into?
Answers: 1
Mathematics, 21.06.2019 18:40
2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?
Answers: 1
Mathematics, 21.06.2019 20:00
Hell . what are the solutions to `10x^2 - 38x - 8 = 0`? is this when i find the factors and use the numbers within the factors to determine the zeros? i hope that made sense lol
Answers: 2
The following sample data are measurements of weight of middle school students. 153, 148, 151, 163,...
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