A survey of 45 TC3 students indicated that 28 of them eat at the college cafeteria.What is the percent margin of error for the proportion of TC3 students who eat at the college cafeteria?

n =_____________

p =__________________(round your answer to three decimal places)

(1-p) =_______________________(round your answer to three decimal places)

Use the decimal approximations above to calculate the margin of error using the Error formula from the book.

Error in decimal form =____________________________(start with the sign +/- ; round to three decimal places)

Error in percent form =____________________________(start with the sign +/- ; round to the nearest tenth of a percent; don't forget to add % at the end of your number)