based on avaluable information lead time demand for PC thumb drives averages 53 units

Based on available information, lead time demand for PC thumb drives averages 53 units (normally distributed), with a standard deviation of 5 drives. Management wants a 95% service level. Refer to the standard normal table for z-values. a) What value of Z should be applied? b) How many drives should be carried as safety stock? units (round your response to the nearest whole number). \begin{tabular}{|c|c|} \hline Z & Pr(Z) \\ \hline 0.38 & 65 \\ 0.50 & 69 \\ 0.67 & 75 \\ 0.84 & 80 \\ 1.04 & 85 \\ 1.28 & 90 \\ 1.41 & 92 \\ 1.56 & 94 \\ 1.65 & 95 \\ 1.75 & 96 \\ 2.06 & 98 \\ 2.33 & 99 \\ \hline \end{tabular} Print Done