What is the ratio of the two values? 1. 5 pages in 60min 2. 105 miles in 2 hours 3. $33 for 5 lb 4. 50 pages in 2 hours

Which of the following is true for the relation f(x)=2x^2+1

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’s the answer? and how do i solve it ?