You were asked to compute the margin of error, E, for the following confidence interval for a population mean. 14.68<<15.32 Next, we will solve for the margin of error, E, using the formulas for the endpoints of a confidence interval for the population mean. The lower endpoint of the given confidence interval is xE=14.68 and the upper endpoint is x+E=15.32 . We can solve these two equations simultaneously to find the margin of error, E. There are many ways to solve the system of equations. We have decided to begin by adding the two equations to eliminate the variable E. To complete this step, solve for the sample mean, x and enter your answer below. xE=14.68x+E=15.322x=30.00Lower endpoint of the confidence interval.Upper endpoint of the confidence interval.Add the equations for the upper and lower endpoints. Solve the resulting equation for the sample mean, x