£ represents a group of 30 people that visited paris for a weekend break.
13 of the group visi...
Mathematics, 31.03.2020 13:57 allenpaietonp9v8sv
£ represents a group of 30 people that visited paris for a weekend break.
13 of the group visited the eiffel tower (ET)
16 of the group visited the notre-dame cathedral (NDC)
7 of the group did not visit either of these places
a person is chosen at random from the group.
what is the probability that this person only visited one of the two places?
Answers: 3
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