Peter has just returned from the Philippines and wants to exchange his remaining Philippine pesos for U. S. dollars. If the exchange rate that day is 43.35 pesos per
U. S. dollar, how many U. S. dollars would he get for his remaining 1,500
Philippine pesos? Round your answer to the nearest dollar.

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%