Numbers less than or equal to 37 include 37, 36, 35, 34, 33, 32, etc.
You could multiply 118.56 by .16 which is 19 dollars rounded and subtract 19 from 117.56 to get your answer
The answer is normal distribution.
Sampling distributions of means normally have normal distributions.
Best way to solve this is turn the fractions into decimals, then add/subtract them. But it’s -1 7/12 or -19/12