Which of the following is an example of base-rate information?

A) The population consists of 10,000 mosquitoes and 2 rare kwiny bugs
B) The kwiny bug looks like a mosquito except it is a bit bigger
C) The mosquito flies a bit faster than the kwiny bug
D) A particular specimen looks exactly like a kwiny bug

Base-rate information refers to general information about a population or group. In this case, the statement about the population consisting of 10,000 mosquitoes and 2 rare kwiny bugs provides base-rate information. The other options provide specific information about individual mosquitoes or kwiny bugs, but not about the population as a whole.