Answer:
210
Step-by-step explanation:
In a normal distribtuion mean=mode=median
so 210=median
I think the 40 30 20 should be going up not down like this 20 30 40
See picture for steps and answer
Divide then multiply by 100:
280 / 3500 = 0.08
0.08 x 100 = 8%
Answer: 8%
