Answer the following questions correctly i will know if this is wrong. i will report any incorrect answers! criteria for getting brainliest and not getting reported: - and make sure not to post random answers points are taken away when you are reported so don't think about answering it if you want only just want points to move up. - you must put reasoning 1. a study compared the on-time performance for three bus companies. a table with the joint and marginal frequencies of the results is shown. determine which company has the best on-time performance. explain how to identify the company that performed best.

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