Carly wants to ride the bumper cards 5 times and the ferris wheel 2 times. it cost 5 tickets to ride the bumper cars and 5 tickets to ride the ferris wheel. how many tickets to ride the ferris wheel and bumper cards does carly needs?

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