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1 vote
Plays a sport

Does not play a sport
Total
Plays and
instrument
3
11
14
Does not play an
instrument
5
8
13
Total
8
19
27
In a class of students, the following data table
summarizes how many students play an instrument or a
sport. What is the probability that a student plays a sport
given that they play an instrument? Write your answer as
a fraction

Plays a sport Does not play a sport Total Plays and instrument 3 11 14 Does not play-example-1
User Omry Zobel
by
5.2k points

1 Answer

5 votes
bruj life is so hard. like aragahah this boy has me head over heels and all i want is him. god why can’t he open his eyes. anyway since your only concern is "given that they play a sport", only the top row is involved (12 total). Of those, 2 play an instrument. P(I|S) = 2/12, or 1/6.
User Behroz Sikander
by
5.1k points