\( \definecolor{colordef}{RGB}{249,49,84} \definecolor{colorprop}{RGB}{18,102,241} \)
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We survey a class of 30 students about their siblings and obtain these results: 6 students have 0 siblings, 15 have 1 sibling, 6 have 2 siblings, and 3 have 3 siblings. Let \(X\) represent the number of siblings of a student chosen at random from this class. Complete the table with the probabilities as decimal numbers.
\(x\)
0
1
2
3
\(P(X = x)\)
7
8
9
+
4
5
6
-
1
2
3
*
C
0
.
÷
7
8
9
+
4
5
6
-
1
2
3
*
C
0
.
÷
7
8
9
+
4
5
6
-
1
2
3
*
C
0
.
÷
7
8
9
+
4
5
6
-
1
2
3
*
C
0
.
÷
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