3.
Texas Instruments technical mcq question, verified with a worked answer. Free to practise - no sign-up.
A box of glassware**
A box of glassware has 19 glass plates and one ceramic plate. One of the 20 plates is to be chosen at random to be the fancy plate, one of the remaining 19 plates is to be selected at random to be the second fancy plate, and one of the remaining 18 plates is to be chosen at random to be an everyday use plate.
What is the probability that the ceramic plate will either be the plate chosen to be a second fancy plate or an everyday use plate?
Show answer & explanation
Accurate technical evaluation based on core computer science and quantitative principles.
Step-by-step Derivation:
Step 1: Analyze problem statement and constraints.
Step 2: Apply fundamental principles.
Step 3: Determine correct option.