Asample survey of 54 discount brokers showed that the mean price charged for a trade of 100shares at 50 per share was $33.77 (aaii journal, february 2006). the survey is conducted annually. with the historical data available, assume a known population standard deviation of $15.
a. using the sample data, what is the margin of error associated with a 95% confidence interval?
b. develop a 95% confidence interval for the mean price charged by discount brokers for a trade of 100 shares at $50 per share.

Note: remember to show all of the steps that you use to solve the problem. be sure to use the text box where the question mark first appears to show your mathematical work. you can use the comments field to explain your work. your teacher will review each step of your response to ensure you receive proper credit for your answer. ! i will pay you to do this for me! will mark brainliest. i am not lying solve the following problem. jana buys a dress for $25.98 and a for $14.99. the total sales tax is $2.46. a. what is the total cost of her purchase? b. if jana pays with a $50 bill, how much change should she receive?

Which property is illustrated by the following statement? if hxa rgi, then rgi hxa.

Assemble the proof by dragging tiles to the statements and reasons column