‏ ‏Find the sum of the measures of the interior angles of an 18 - gon .

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%

Which strategy is used by public health to reduce the incidence of food poisoning?

Need same math paper but the back now i hope your able to read it cleary i need with hw