Under 45 mins is roughly 16%. This is because 68% of the curve exists within 1 SD of the mean. So 16% must be outside and smaller and 16% outside and larger (on average).
It is impossible to determine how likely you are to find someone with exactly the second amount. However, if you are looking for that or less, you would get 84%
You express the values in which the teacher or tutor or whatever assigned you.
13 1/4 is the answer
9 7/8 + 3 3/8
12 10/8
13 2/8
13 1/4 (simplified)
The answer is 100 sections. You get this by converting 2 meters which will be 200 cm then just divide 200 by 10 and you get 100! Hope this helps sorry if I get it wrong
