III 2. A 13-foot ladder leans against a buiding and reaches a window 10 feet above ground. What is the measure of the angle, to the nearest degree that the ladder forms with the ground?
A. 40
c. 50
b 30
d. 56

The human resources manager at a company records the length, in hours, of one shift at work, x. he creates the probability distribution below. what is the probability that a worker chosen at random works at least 8 hours? probability distribution px(x) 6 hours 7 hours 8 hours 9 hours 10 hours 0.62 0.78 пол