A company wants information about the efciency of a digital printer. A certain number of heads of division will be interviewed by telephone and they will be asked to rate the equipment on a numerical scale. The divisions are located in North America. Europe and Asia. Therefore, stratified sampling is used. Costs are higher for interviews with heads of division located outside of North America. The following table shows the costs per interview. the variances estimates and the size at the strata. Strata North America EIJI'DD-B Asia i] The company wishes to give an estimate of the average rating by keeping v {ySTFt} = Ill. Obtain the stratied sample size that achieves this margin and nd the appropriate distribution. ii] A budget of $300 is available, of which 5125 must be set aside for general xed expenses. Determine the sample size and optimal sample size in each strata. iii] Rep-eat {i1 and {ii} using a software [Ft]