Statistics: A group of young businesswomen wish to open a high fashion boutique in a vacant store. The business women believe that the average income of households in the area is at least $27,000. Data from a random sample of 9 households is show below. Using a hypothesis test, test to determine if average income in the area is at least $27,000. The level of significance is .10. State H(o) and Ha, critical value, test statistic, and your decision,

If kn = 9 cm, mn = 21 cm, rs = 42 cm, and ps = 18 cm, what is the scale factor of figure klmn to figure pqrs?

You drop a rubber ball off the roof of a 50 meter high building onto a paved parking lot. it bounces back up with every bounce, but not quite all the way back up to you. after the first bounce it bounces back only 80 percent of the distance it was dropped from. the pattern continues, meaning after every bounce it comes up to just 80 percent of the previous maximum height. so if before the first bounce the height is 50 meters, what height does the ball reach after the fifth bounce? round your answer to one decimal place and chose the correct response from the choices below:

Find the volume of the wedge cut from the first octant by the cylinder z=12-3y^2 and the plane x+y=2.