Mathematics, 01.05.2021 01:00 beauburgess1108
The mean on a statewide geography test was 74 with a standard deviation of 12. West County sampled the scores of some of its students and reported a mean of 79 with a margin of error of plus or minus 1.9. To the nearest whole number, how many students were in West County's sample?
Answers: 1
Mathematics, 21.06.2019 18:40
The vertex of this parabola is at (-2,-3). when the x-value is -1, the y-value is -5. what is the coefficient of the squared expression in the parabola's equation?
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Mathematics, 22.06.2019 01:30
Here are the 30 best lifetime baseball batting averages of all time, arranged in order from lowest to highest: 0.319, 0.329, 0.330, 0.331, 0.331, 0.333, 0.333, 0.333, 0.334, 0.334, 0.334, 0.336, 0.337, 0.338, 0.338, 0.338, 0.340, 0.340, 0.341, 0.341, 0.342, 0.342, 0.342, 0.344, 0.344, 0.345, 0.346, 0.349, 0.358, 0.366 if you were to build a histogram of these data, which of the following would be the best choice of classes?
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16x^2-16x=5 solve the equation by completing the square
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The mean on a statewide geography test was 74 with a standard deviation of 12. West County sampled t...
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