Asample is representative of a population true or false

Bill works as a waiter and is keeping track of the tips he ears daily. about how much does bill have to earn in tips on sunday if he wants to average $22 a day? tips by day tips (dollars) monday tuesday wednesday thursday friday saturday $14 $22 $28 $36

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

Stephen bought 85 shares of united rotators at $6.34 each, 110 shares of dowc beverage co. at $13.13 apiece, and 133 shares of esti transport at $7.10 each. if stephen’s broker collects a commission of $12.50 for every ten shares bought or sold, how much did stephen spend in total, to the nearest dollar?