Mathematics, 22.12.2019 14:31 fatty18

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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