For events A, B, and C such that each pair of events is disjoint, use a Venn diagram to explain why P(A or B or C) = P(A) + P(B) + P(C).
Answer to relevant QuestionsFor events A, B, and C, explain why P(A and B and C) = P(A) × P(B |A) × P(C | A and B). An interview in an investment magazine (In the Vanguard, Autumn 2003) asked mathematician John Allen Paulos, “What common errors do investors make?” He answered, “People tend not to believe that markets move in random ...A couple plans on having three children. Suppose that the probability of any given child being female is 0.5, and also suppose that the genders of each child are independent events. a. Write out all outcomes in the sample ...Because of the increasing nuisance of spam e-mail messages, many start-up companies have emerged to develop e-mail filters. One such filter was recently advertised as being 95% accurate. The way the advertisement is worded, ...Workers specified as actively disengaged are those who are emotionally disconnected from their work and workplace. A Gallup poll conducted in December 2010 5 surveyed individuals who were either unemployed or who were ...
Post your question