The Target heart rate for fit person of age a exercising at p percent of his or her heart rate is determined by the expression 1/2p(418-4) for women and 1/2p(400-a) for men. What is the difference between the target heart rates for fit woman in a fit man?

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