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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%

What is the inverse of the function below? f(x)=x/3-2

While shopping at a clearance sale, samantha finds a $60.00 dress on sale for 25% off. samantha also has a 50% off coupon. which statement correctly summarizes her savings?