A survey has found that the American family generates an average of 22.2 pounds of glass garbage each year. Assume the standard deviation is 2.2 pounds. Find the
probability that the mean of a sample of 55 families will be between 17 and 20 pounds.

What percent of the circle below is shaded?

Twenty points. suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet

Write two point-slope equations for the line passing through the points (6, 5) and (3, 1)