Do you know how to draw a bar graph?
Or model.
It's not something I can draw on this. But for purposes of helping you find how many feet deeper the Marina to the Puerto Rico trench
36,201 minus 27,493
The answer for this problem is 26.
Answer:

Step-by-step explanation:
We are given that
Mean,
%=68.5/100
Standard deviation,
%=8.2/100
We have to find the probability that a student who wrote the examination had a mark between 80% and 100%.


We know that

Using the formula



I believe your answer is 48. I hope i was helpful