Height (in cm) | Number of girls |
Less than 140 | 20 |
Less than 145 | 11 |
Less than 150 | 29 |
Less than 155 | 40 |
Less than 160 | 49 |
Less than 165 | 51 |
A) 0.3
B) 0.33
C) 0.4
D) 0.44
Correct Answer: A
Solution :
(a): Number of girls whose height is less than \[150cm=60=n\left( E \right)\] Total Girls \[=200=n\left( P \right)\] \[12\left( P \right)=\frac{n(E)}{n(S)}=\frac{60}{200}=0.3\]You need to login to perform this action.
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