Show that in a group of 10 people (where any two people are either friends or enemies), there are either three mutual friends or four mutual enemies, and there are either three mutual enemies or four mutual friends'.
In a group of 6 people there are either 3 mutual friends or 3
mutual enemies.

Let be a person from a group of 10

2x minus y equals 6, x plus y equals negative 3

With both problems. a. s.a. p directions on photo ^

Match the vocabulary to the proper definition. in probability, two events in which 1. conditional probability the outcome of one event is independent of the outcome of a second event. 2. dependent events in probability, two events in which the outcome of one event is dependent on the outcome of a second event. the probability of an event in which the outcome of the event is conditional on the outcome of one or more different events. 3. independent events