Suppose that 47% of all imaging machines sold by a large company are MRI machines and 53% are X-ray machines. In a random sample of 1000 imaging machines sold by this company the probability, rounded to four decimal places, that at least 498 of these sold imaging machines are MRI machines is

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