The scores on a psychology exam were normally distributed with a mean of 66 and a standard deviation of 8. a failing grade on the exam was anything 2 or more standard deviations below the mean. what was the cutoff for a failing? score? approximately what percentage of the students? failed? the cutoff for a failing score was nothing . ? (simplify your? answer.) approximately nothing percent of the students failed.

Find the area and perimeter of each composite figure. use 3.14 for π. round your answer to the nearest tenth. a square and a right triangle share a common side. image long description a 3-meter by 0.5-meter rectangle has triangles attached like wings to the 3-meter sides. the other two sides of both triangles measure 2.5 meters. the height of each triangle is 2 meters. a 6-inch by 4-inch rectangle has 2 half-circles attached like wings to the 6-inch sides. the radius of each half-circle is 3 inches. find the surface area and volume of each figure. use 3.14 for π. round your answer to the nearest tenth. a right circular cylinder has a base radius of 6 yards and a height of 20 yards. a rectangular prism has a base that is 9 centimeters long and 7 centimeters wide. the height is 2 centimeters. a rectangular prism has a base that measures 11 millimeters by 11 millimeters. the height is 11 millimeters.

Plzzz i beg u so much asap ! what is the slope of this line? enter your answer in the box.

What numbers are included in the set of integers? what numbers are not included?