Suppose the survey is given to 100 subjects. What is the probability of obtaining at least 2 eligible responders who agree to participate?

Epidemiology
A study was performed to assess the feasibility of a national random digit dialing cellular phone survey among young adults age 18–34 (Genderson et al., [17]). lt was reported that 3.1% of respondents were eligible to participate and that 52% of eligible respondents agreed to participate.