Summary: The probability of an event is the measure of the chance that the event will occur as a result of an experiment. The probability of an event A is the number of ways event A can occur divided by the total number of possible outcomes.
1 Place corned beef in large pot or Dutch oven and cover with water. Add the spice packet that came with the corned beef. Cover pot and bring to a boil, then reduce to a simmer. Simmer approximately 50 minutes per pound or until tender.  Add whole potatoes and carrots, and cook until the vegetables are almost tender.
Rinse the corned beef under cold water. First put the seasoning packet, beef broth, onion and garlic in to the pressure cooking pot. Put a rack in the pressure cooking pot. Place corned beef on rack. Lock the lid in place. Select High Pressure and set the timer for 75 minutes. When beep sounds, turn off pressure cooker.