Mathematics, 19.09.2019 19:30 ghst
Psychology students at wittenberg university completed the dental anxiety scale questionnaire (psychological reports, august 1997). scores on the scale range from 0 (no anxiety) to 20 (extreme anxiety). the mean score was 11 and the standard deviation was 3.5. assume that the distribution of all scores on the dental anxiety scale is normal with μ = 11 and σ = 3.5. (a) suppose you score a 16 on the dental anxiety scale. find the z-value for this score. (b) find the probability that someone scores between a 10 and a 15 on the dental anxiety scale. (c) find the probability that someone scores above a 17 on the dental anxiety scale
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Mathematics, 21.06.2019 23:00, daedae96
Answer this two poles, ab and ed, are fixed to the ground with the of ropes ac and ec, as shown: two right triangles abc and edc have a common vertex c. angle abc and edc are right angles. ab is labeled 13 feet, ac is labeled 15 feet, ec is labeled 10 feet, and ed is labeled 4 feet. what is the approximate distance, in feet, between the two poles? 11.14 feet16.65 feet14.35 feet15.59 feet
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Psychology students at wittenberg university completed the dental anxiety scale questionnaire (psych...
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