Question

64. The number of accidents for seven days in a locality are given below:
No. of accidents
:
0
1
2
3
4
5
6


Frequency
12 15 23 30 9 3 2

What is the number of cases when 3 or less accidents occurred?​

Answer 1

80

if

Frequency of 0 is 12

1 is 15

2is 23

3 is 30

then sum all of these give you 80

Answer 2

$\Huge\text{Solution}$

$\underline{\bold{The \ question \ asked \ to \ find}} :-$

The number of cases when  3 or less accidents occurred

i.e. ,

Maximum accidents = 3

Minimum accidents =  0

$\underline{\bold{Add \ the \ no \ of \ frequency \ until \ 3 }}$

12 + 15 + 23 + 30  = 80

$\fbox{\large{The \ number \ of \ cases \ when \ 3 \ or \ less \ accidents \ occurred is 80}}$

$\mathfrak{Hope \ it \ will \ help \ you}$