A normal distribution has mean u=57 and standard deviation o = 20. Find and interpret the s-score for x = 55. The --score for x = 55 is . So 55 is standard deviations (Choose one) the mean u= 57.

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