Atest for the presence of a certain disease has probability 0.20 of giving a false-positive reading (indicating that an individual has the disease when this is not the case) and probability 0.10 of giving a false-negative. suppose that ten individuals are tested, five of whom have the disease and five of whom do not. let latex: xx equal the number of positive readings that result.

Aplane is taking off from bangladesh headed to new york city. at the same time, a plane from new york city is headed to bangladesh is also taking off. the plane bound to new york city is traveling at 600 mph, while the plane traveling to bangladesh is traveling at 400 mph. how far from new york city will the two planes meet if the distance between new york city and bangladesh is 8,000 miles?

Jacob signs up to work for 2 1/2 hours at the school carnival. if each work shift is 3/4 hour, how many shifts will jacob work? (i just want to double check : |, for anybody that responds! : )

The length of a rectangular piece of land is 92 yards more than three times its width. the perimeter is 760 yards. find its dimensions.