20.0% Complete You work on a manufacturing line. Currently, the status board for the line says"-55" This means that your line still needs to produce 55 items to meet the day's goal. Q. If your line produces 30 items in the next hour, what number will be displayed on the status board? A. 25 B. 85 C. -25 D. -85

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