HAIR TYPE BrownBlondBlackRedTOTALS Wavy Straight TOTALS HAIR COLOR What is the probability that a randomly selected child will have wavy hair? 43/215 What is the probability that a randomly selected child will have brown hair? 100/215
HAIR TYPE BrownBlondBlackRedTOTALS Wavy Straight TOTALS HAIR COLOR What is the probability that a randomly selected child will have red hair AND straight hair? 12/215 What is the probability that a randomly selected child will have red hair OR has straight hair? 15/ /215 – 12/215 = 175/215
HAIR TYPE BrownBlondBlackRedTOTALS Wavy Straight TOTALS HAIR COLOR What is the probability that a randomly selected child will have red hair GIVEN that he/she has straight hair? 12/172 What is the probability that a randomly selected child will have straight hair GIVEN that he/she has red hair? 12/15