Pre-thinking - Asthma is much less common ailment than hay fever. ---- this says more people have HF then A.you can figure out "much less".
Although who ever has asthma 95% of them has hay fever.
let say A = 100 out of this 95 has HF. total of HF = 200
figures are for argument sake.
If the information given as facts above is true, which of the following must also be true?
A. Hay fever is a prerequisite for the development of asthma -- nothing as such mentioned. we don't know.
B.
...
Although who ever has asthma 95% of them has hay fever.
let say A = 100 out of this 95 has HF. total of HF = 200
figures are for argument sake.
If the information given as facts above is true, which of the following must also be true?
A. Hay fever is a prerequisite for the development of asthma -- nothing as such mentioned. we don't know.
B.
...
