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Mathematics, 11.03.2022 02:30 alanaruth3389
The scores on a test have a mean of 100 and a standard deviation of 15. If a personnel
manager wishes to select from the top 75% of applicants who take the test, find the cutoff
score. Assume the variable is normally distributed.
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Mathematics, 22.06.2019 00:30
I've been working on this for a few days and i just don't understand, it's due in a few hours. you. the direction of a vector is defined as the angle of the vector in relation to a horizontal line. as a standard, this angle is measured counterclockwise from the positive x-axis. the direction or angle of v in the diagram is α. part a: how can you use trigonometric ratios to calculate the direction α of a general vector v = < x, y> similar to the diagram? part b suppose that vector v lies in quadrant ii, quadrant iii, or quadrant iv. how can you use trigonometric ratios to calculate the direction (i.e., angle) of the vector in each of these quadrants with respect to the positive x-axis? the angle between the vector and the positive x-axis will be greater than 90 degrees in each case. part c now try a numerical problem. what is the direction of the vector w = < -1, 6 > ?
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The scores on a test have a mean of 100 and a standard deviation of 15. If a personnel
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