The steepest street in the world is baldwin st. in dunedin, new zealand, which rises 1 m in a horizontal distance of 1.266 m. find the slip of baldwin st. round to the nearest hundredth if necessary

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%