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Consider a two-way table showing students’ preferences for music, categorized by grade level:
Likes Music
Dislikes Music
Total
Grade 9
20
10
30
Grade 10
15
15
30
Total
35
25
60
A student is randomly selected from the group. Find the probability that the selected student likes music, given that the student is in Grade 9.
\(\PCond{\text{"Likes Music"}}{\text{"Grade 9"}}=\)
del
\(\pi\)
\(e\)
\(x\)
\(n\)
\(\frac{a}{b}\)
\(\sqrt{\,}\)
\({x}^{2}\)
\(\sqrt{\,}\)
!
7
8
9
←
→
4
5
6
(
)
1
2
3
\(\times\)
\(\div\)
C
0
.
+
-
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