If we use the equation of the trend line, y = 12 x + 133, to estimate the number of calories in a fast food item that has 15 grams of fat, we find that there are approximately 313 calories in an item having 15 grams of fat. this is an example of the data. correlating extrapolating interpolating

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