1. a line segment on a number line has its endpoonts at -9 and 6. find the coordinate of the midpoint of the segment. a. 1.5 b. -1.5 c. 2 d. -3 2. find the coordinates of the midpoint of hx (has a line on top) given that h(-1,3) and x(7,-1). a. (3,1) b. (0,4) c. (-3,1) d. (-4,0) 3. find the distance between the points r (0,5) and s(12,3). round to the nearest tenth. a. 10.4 b. 16 c. 12.2 d. 11.8 4. an airplane at t(80,20) needs to fly to both u(20,60) and v(110,85). what is the shortest possible distance for the trip? a. 165 units b. 170 units c. 97 units d. 169 unitsme you very much.

People end up tossing 12% of what they buy at the grocery store. assume this is the true population proportion and that you plan to take a sample survey of 540 grocery shoppers to further investigate their behavior. a. calculate the mean and the standard error for the sample proportion p. b. describe the sampling distribution of p in part a. draw a graph of this probability distribution with its mean and standard deviation. what is the probability that your survey will provide a sample proportion more than 15%? c. d. population proportion? what is the probability that your survey will provide a sample proportion within + 0.03 of the