You may need to use the sppeoprioce append x cable or technoligy to answer this question. (Gependeet yarisble y). The estimated regression equation is: =4.35+8.11x and MSE=94,42. (a) Develop o pont estimate (in min) for a custhmer who armes with seven pesple on the nart-lit (lound your answer to fino tecimal placesi (d) bhoum the diference between part (b) and part (c). The prediction isterval is much then the confidence interval. This is because a is dichit to predict the waiting time for an indhidesl customer ariving with btwen posple in bne than if is eo estimate the meat wating time Bge a cuatemer arriving with seven peeple in tine