The events B1, B2, and B3 are Select an answer independent not independent since the three people Select an answer all have blood type B, all are males, were chosen at random from a larger population, and therefore using the extended Select an answer Addition Rule Multiplication Rule P(B1 and B2 and B3) = Select an answer P(B1)*P(B2)*P(B3) = .1 * .1 * .1 = .001 P(B1) + P(B2) + P(B3) = .1 + .1 + .1 = .3