Jacob helps paint a square mural in his classroom. then he helps paint a mural in the hallway whose length is 6ft longer and whose width is 2 feet shorter. let x represent the side length of the mural in Jacob's classroom. the classroom is 8ft long on each side find the answer

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