draw a shape which has 3 rotational symmetry and 0 lines of symmetry and draw a shape which has 1 line of symmetry but no rotational symmetry. please draw the shape on a page and then send me. the first one to send me will be the branliest. please hurry up

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%