O BAB China probability 0.35 0.27 026 0.12 US probability 0.45 0.40 0.11 004 (Si
ID: 3331794 • Letter: O
Question
O BAB China probability 0.35 0.27 026 0.12 US probability 0.45 0.40 0.11 004 (Similar to Problem #5, 6 done in class) other. What is the probability that both have type O blood? a) Choose an American and a Chinese at random, independently of each Choose an American and a Chinese at random, independently of each other. What is the probability that both have the same blood type? b) 12 Polydactyly is a fairly common congenital abnormality in which a baby is born with one or more extra fingers or toes. It is reported in about 1 child in every 500. (Similar to Problem) #5, 6 done in class) 10.32 A young obstetrician celebrates her first 100 deliveries. What is the probability that she has delivered no child with polydactyly? a)Explanation / Answer
10.31 a) P(Both American and Chinese have type O blood)
= 0.35*0.45
= 0.1575
b) P(Both American and Chinese have same type blood)
= P(Both have type O) + P(Both have Type A) + P(Both have type B) + P(Both have type AB)
= 0.35*0.45 + 0.27*0.40 + 0.26*0.11 + 0.12*0.04
= 0.2989
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