Answer:
36
Step-by-step explanation:
Frequency of less than 4:
6 + 4 + 8 = 18
Probability:
18/50 × 100 = 36%
The estimate should be 6.92
Let us pretend x is the number.
The equation will be 13-6x=11+4x.
Solve.......
X=2/10
The answer is probably 30 or 60
