Daily demand for a product is 95 units with a standard deviation of 14 units. The review period is 7 days, and lead time is 2 days. At the time of review there are 90 units in stock. If 98 percent service probability is desired, how many units should be ordered? (Use Excel's NORMSINV() function to find the correct critical value for the given α-level. Do not round intermediate calculations. Round "z" value to 2 decimal places and final answer to the nearest whole number.)
Number of units ordered