If john has fifteen red shirts and six blue shirts, what fraction of his shirt are blue?

Will give brainliest what is the value of x? enter your answer in the box.

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%

Select the number of ways in which a line and a circle can intersect