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this certainly is one of the harder questions - feels like a mix of reading comprehension & critical thinking; below is my note to self and hopefully helps someone else as well
understanding the logic here is the key consideration
1) "appendicitis is potentially fatal" -> have to be addressed
2) "strongly suggesting appendicitis almost always have their appendix removed" -> patients need to do the procedure
3) "producing two misdiagnoses for every 98 correct diagnoses" -> very low error rate (2%)
Clearly, using this test, doctors can largely avoid unnecessary removals of the appendix without, however, performing any fewer necessary ones than before, since __________.
key logic of the sentence in bold (question sentence) is:
1) the test is very good and can largely avoid unnecessary removals (98% success rate) -> largely = 98%
2) we cannot perform any fewer necessary ones than before -> prefer removing appendix for someone who is misdiagnosed of appendicitis over not removing / addressing appendicitis for someone who does in fact have it
so now we understand the 2% error rate is not 2), missing to identify someone who does have appendicitis and instead is attributing appendicitis to someone who doesnt have it (more preferred option we learned in 1)
going through the option list, we see (B) is the right choice
understanding the logic here is the key consideration
1) "appendicitis is potentially fatal" -> have to be addressed
2) "strongly suggesting appendicitis almost always have their appendix removed" -> patients need to do the procedure
3) "producing two misdiagnoses for every 98 correct diagnoses" -> very low error rate (2%)
Clearly, using this test, doctors can largely avoid unnecessary removals of the appendix without, however, performing any fewer necessary ones than before, since __________.
key logic of the sentence in bold (question sentence) is:
1) the test is very good and can largely avoid unnecessary removals (98% success rate) -> largely = 98%
2) we cannot perform any fewer necessary ones than before -> prefer removing appendix for someone who is misdiagnosed of appendicitis over not removing / addressing appendicitis for someone who does in fact have it
so now we understand the 2% error rate is not 2), missing to identify someone who does have appendicitis and instead is attributing appendicitis to someone who doesnt have it (more preferred option we learned in 1)
going through the option list, we see (B) is the right choice
GMBA85
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