Harley has 6 blue socks, 10 black socks, and 2 orange socks in a laundry basket. Harley randomly selects two socks from the basket. What is the probability that he will select a blue sock, put it on, then select another blue sock?

Problem fathi wants to print out a pdf document that is 48 pages long. to save paper, he decides to print on both sides of each sheet and to print two pages on each side of the sheet. how many sheets of paper will he need?

Abird on top of a 200 ft bridge tower sees a man standing on the lower part of the bridge (which is 50 ft above the ground). the angle of depression from the bird is 26 ̊. how far is the man from the base of the bridge tower? with explanation and pictures .

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?