Based on available information, lead time demand for PC thumb drives averages $46$ units $($normally distributed$),$ with a standard deviation of $4$ 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$).$

c$)$ What is the appropriate reorder point? units $($round your response to the nearest whole number$).$

Z$-$Table