Ten percent of widgets are defective.  An inspector randomly…

Ten percent of widgets are defective.  An inspector randomly samples 12 widgets from a box. What is the probability of finding at least 2 defective widgets? (When you finish, make sure to show your work to the camera for few seconds, submit your work after you finish the exam.)

This question is worth 1 point. A restaurant chain uses 0.40…

This question is worth 1 point. A restaurant chain uses 0.40 tonne herbs, 0.35 tonne vinegar, and 0.25 tonne vegetable oil to make one tonne of “secret” sauce. What is the total virtual water footprint of the “secret” sauce? Answer in m3/tonne to the hundreds place. Water Footprint of Ingredients Green (m3/tonne) Blue (m3/tonne) Grey (m3/tonne) Herbs 337 81 170 Vinegar 832 446 616 Vegetable Oil 3980 137 73