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Published byMatthew Holland Modified over 8 years ago
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HAIR TYPE BrownBlondBlackRedTOTALS Wavy 2015343 Straight 801512 TOTALS 20215 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
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HAIR TYPE BrownBlondBlackRedTOTALS Wavy 20515343 Straight 80156512172 TOTALS 100208015215 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 + 172/215 – 12/215 = 175/215
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HAIR TYPE BrownBlondBlackRedTOTALS Wavy 20515343 Straight 80156512172 TOTALS 100208015215 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
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