In 45 minutes, the distance traveled would be 15.5 miles.
It is not possible, as there are just 2 sides, and they likely flipped it in various ways. They experienced some 'luck'.
Response:

Detailed explanation:
Probability for an event is calculated as the ratio of the size of the event space compared to that of the sample space.
The sample space encompasses all possible outcomes.
Event space represents the number of favorable outcomes for the event in question.
Thus
Let
x ------> size of event space
y ----- → size of sample space
so

Calculate the probability of the first student being left-handed
we have


substituting values

Simplify

Calculate the probability of the second student being left-handed
we have


substituting values

Calculate the probability that both selected students will be left-handed
Multiply the probabilities together.

Convert to percentage
Multiply by 100

It grows at T because the behavior has accelerated