What is the range of possible sizes for side ‘x’?

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%

Jenny borrowed $500 for five years at 4 percent interest, compounded annually. what is the total amount she will have paid when she pays off the loan? total amount = p (1 + i)t a. $608.33 b. $729.99 c. $765.77 reset next

Multiply and simplify. 2x2y3z2 · 4xy4x2 how to do?