How would I figure this out? I’m confused because of the fraction with the variable

Anyone know? will mark brainliest if correct

What is the scale factor of almn to aopq?

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $36.98. find the probability that a randomly selected bill will have an amount greater than $173, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?