a.1% c) 1/6 d.) 1/36 our friend Jeanie Alahgee has researched her family tree an

Question

a.1% c) 1/6 d.) 1/36 our friend Jeanie Alahgee has researched her family tree and finds that a large number of her f embers have either red hair or blond hair and either green eyes or blue eyes She makes a list hese family members and records her data below Blue Eyes Green Eyes Total Blond 63 27 Red head 16 19 Total points 15.) What is the probability that a person chosen at random from leanie's list will have red hair? points 16.) What is the probability that a person chosen at random from leanie's list will be blond and h blue eyes? 4 points 17.) If a person from Jeanie's list has red hair, what is the probability that they

Explanation / Answer

                                Blue eyes         Green eyes                Total

Blond                           63                     27                          90

Red hair                       16                      19                         35

Total                             79                     46                        125

(a) P(Red hair) = 35/125 = 0.28

(b) P(Blond & Blue eyes) = 63/125 = 0.504

(c) P(Green eyes/Red hair) = P(Green eyes & Red hair)/P(Red hair)

                                         = 19/35 = 0.5429

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