Daylilies multiply each year. You have 5 day lilies in your garden, and each year the day lilies
double. Write a model that show the relationship between the number of years, t, and the total
number of day lilies, D.

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%