The number of computer breakdowns by a university computer system is closely monitored by the director of the computer center, since it is critical to the efficient operation of the center. The average number of computer breakdowns is 4 per week with a standard deviation of 0.8 per week. The center director promises that the number of breakdowns will rarely exceed 8 in a one-week period. Is the director safe in making this claim

Which inequality statement describes the two numbers on a number line? "? 7 and a number 5 units to the right of ? 7"

The edge of a cube was found to be 30 cm with a possible error in measurement of 0.4 cm. use differentials to estimate the maximum possible error, relative error, and percentage error in computing the volume of the cube and the surface area of the cube. (round your answers to four decimal places.) (a) the volume of the cube maximum possible error cm3 relative error percentage error % (b) the surface area of the cube maximum possible error cm2 relative error percentage error %

Which graph represents the linear function below? y-3=1/2(x+2)