What is the probability that a person who is older than 35 years has a hemoglobin level between 9 and 11?

Select one of the options below as your answer:

A.
0.257

B.
0.284

C.
0.312

D.
0.356

E.
0.548

Question

What is the probability that a person who is older than 35 years has a hemoglobin level between 9 and 11? 

Select one of the options below as your answer:
 


A. 
0.257 




B. 
0.284




C. 
0.312




D. 
0.356




E. 
0.548

anonymous · Answer

Passage

Answer the question based on the data in the table.


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

anonymous · Answer

The answer is B. 0.284