Question: The enrollment of an elementary school is 1250. Sixty children had their teeth checked by a dentist, and 12 children were found to have one or more cavities.

f) (2) Use the probability formula for relative frequency to estimate the probability that a child at this school has at least one cavity.

g) (2) Using the result from part (a), how many children in the entire school do you expect to have at least one cavity?