Number of children | 0 | 1 | 2 | 3 | 4 |
Number of families | 2 | 5 | 11 | 15 | 7 |
A) \[7\]
B) \[15\]
C) \[11\]
D) \[18\]
Correct Answer: D
Solution :
y is the number of families with less than 3 children, i.e., the number of families with no children, (= 0 children), 1 child and 2 children. \[\therefore \] \[x=2+5+11=18\]You need to login to perform this action.
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