Which option identifies how many surveys the researcher should send out in the following scenario? A researcher with a population size of 1,500 and an expected response rate of 15 percent designs a study for a sample size of 50.

The researcher should send all 1,500 surveys, even if it means too much data.

The researcher should send 440, due to a lack of specific information.

The researcher should send 50 surveys, because that is how many are needed.

The researcher should send at least 334 surveys, to ensure enough responses.