If it takes a supplier four days to deliver an order once it has been placed and the standard deviation of daily demand is 10, which of the following is the standard deviation of usage during lead time?A) 10 B) 20 C) 40 D) 100 E) 400

Alocal club is selling christmas trees and deciding how many to stock for the month of december. if demand is normally distributed with a mean of 100 and standard deviation of 20, trees have no salvage value at the end of the month, trees cost $20, and trees sell for $50 what is the service level?

mary's baskets company expects to manufacture and sell 30,000 baskets in 2019 for $5 each. there are 4,000 baskets in beginning finished goods inventory with target ending inventory of 4,000 baskets. the company keeps no work-in-process inventory. what amount of sales revenue will be reported on the 2019 budgeted income statement?

Which stage of group development involves members introducing themselves to each other?