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Hi I am confused on why the answer is B on PTF97 S1 Q2. I skipped it during my practice test to focus on easier ones first, but when I came back I was unsure about the answer. Also during BR I chose the wrong answer. Just need someone to explain! Thanks!
Admin Note: Edited title. Please use the format: "PT#.S#.Q# - brief description of the question".
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Oh that makes so much sense... I knew I was missing something I just couldn't figure out what... thank you so much
Hi there,
Let's take stock of the stimulus.
20% have been to Italy
30% have been France
From there the author draws the conclusion that 50% of the population has been to Europe.
The issue is that some people could have gone to both Italy and France. Therefore we cannot combine these two figures to make 50% since the two groups are not mutually exclusive. What if every person who went to Italy also went to France. Then at best we can assume that 30% of the population went to Europe.