Mathematics, 11.02.2021 17:10 albusaidi4480
In a sample of 1000 cases, the mean of a certain test is 14 and the standard deviation is 2.5. Assume the distribution to be normal. The top 20% of the students will score how many points above the mean
Answers: 2
Mathematics, 21.06.2019 19:30, leannamat2106
Which statements are true? check all that apply. the line x = 0 is perpendicular to the line y = –3. all lines that are parallel to the y-axis are vertical lines. all lines that are perpendicular to the x-axis have a slope of 0. the equation of the line parallel to the x-axis that passes through the point (2, –6) is x = 2. the equation of the line perpendicular to the y-axis that passes through the point (–5, 1) is y = 1.
Answers: 1
Mathematics, 21.06.2019 20:30, strawberrymochi390
What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)
Answers: 2
In a sample of 1000 cases, the mean of a certain test is 14 and the standard deviation is 2.5. Assum...
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