12a3 + 16a + 4
what are the terms, factors, and coefficients?

What is the difference between the predicted value and the actual value

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%

Find the value. a. 0.003 b. 0.03 c. 0.3 d. 3