Some Scientists share 2 baskets of Samples. Each basket has 12 samples. Write an Algebraic expression to represent the situation. Explain how you choose which variable and operations to use.

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%

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Aline passes through the point (–7, 5) and has a slope of 1/2 which is another point that the line passes through?