Independent and Dependent Events:
© Rita Marie O’Brien Chapter 4.3 Page 2 Independent and Dependent Events Two events A and B are independent if the fact that A occurs does not affect the probability of B occurring.
Independent and Dependent Events:
© Rita Marie O’Brien Chapter 4.3 Page 3 Independent and Dependent Events When the outcome or occurrence of the first event affects the outcome or occurrence of the second event in such a way that the probability is changed, the events are said to be dependent .
Probability of at least 1:
© Rita Marie O’Brien Chapter 4.3 Page 4 Probability of at least 1 The probability of at least one is calculated by taking 1 minus the probability of none:
Slide 5:
© Rita Marie O’Brien Chapter 4.3 Page 5 CHAPTER 4 A Tree diagram is a systematic, graphical way to list all possible outcomes. It looks similar to a family tree.