A Researcher Wishes to Obtain Information About American Males in the Metro

Multiple Choice

A researcher wishes to obtain information about American males in the metro area between the ages of 20 and 25.He has a phone book that contains the land line phone numbers of households in the metro area.He uses a random number generator to select 50 households to call.Bearing in mind he will only be contacting people who have a land line,is this a simple random sample?

A) yes
B) no
C) It depends on the information the researcher seeks from those surveyed.
D) More information is needed to answer the question.