The probability that a person with an iron deficiency is 20 years or older will be 0.34. Then the correct option is B.
Its simple notion is that something will most likely occur. The favorable event's proportion to the overall number of occurrences.
The table is given below.
Then the probability that a person with an iron deficiency is 20 years or older will be
P = 102 / 300
P = 0.34
More about the probability link is given below.
https://brainly.com/question/795909
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