IASSC Certified Lean Six Sigma Black Belt (ICBB) Free Practice Exam Questions

84 real IASSC Certified Lean Six Sigma Black Belt (ICBB) exam questions with answers and AI explanations. Six Sigma certification prep — page 1 of 9.

  1. Question 1: Sally and Sara sell flower pots at their garage sale. Sally motivates Sara mentioning that they will sell a minimum of 15 pots per day if the outside temperatu…
  2. Question 2: Calculate the Rolled Throughput Yield of this process using this data. DatA. unit input: 1450, unit output: 1390, defects repaireD. 320, scrap: 60
  3. Question 3: A natural logarithmic base is not required for which of these distributions for probability calculations?
  4. Question 4: A Belt working in a supply chain environment has to make a decision to change suppliers of critical raw materials for a new product upgrade. The purchasing man…
  5. Question 6: At the very initiation of a project a Belt must develop a concise _______________ that states at a high level the area of concern and why it is important this…
  6. Question 7: Using this partial Z Table, how many units from a months production run are expected to not satisfy customer requirements for the following process? Upper spec…
  7. Question 8: What dollar amount of savings would a project show if it reduced your outstanding Accounts Receivable by $1.4 million dollars to $5.3 million total and your or…
  8. Question 12: A Belt working in a supply chain environment has to make a decision to change suppliers of critical raw materials for a new product upgrade. The purchasing man…
  9. Question 13: What is the Ppk of a process with a spread of 24 units, an average of 68, an upper limit of 82 and a lower limit of 54?
  10. Question 14: Using this data calculate the percentage of DPU.