What is the probability that a person has a hemoglobin level above 11 if he is in the 25-35 age group? Hemoglobin
Level Person's Age
Less than
25 years 25-35 years Above 35 years Total
Less than 9 21 32 76 129
Between 9
and 11 49 52
Above 11 69 40
Total 139 128 162 429 A. 0.125
B. 0.298
C. 0.344
D. 0.356
E. 0.687
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