What is the value of p in the equation?

Toyland is having a sale. all items are 20% off. how much will you save on an item that usually sells for 95$ explain your

Pls will give brainliest and all p. s u can zoom in if u cant see plss

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%