Linda wants to conduct a survey of her 300 classmates to determine which candidate for class president. napoleon dynamite or blair waldorf, is in the lead in the upcoming election. linda will ask the question, "if the election were today, which candidate would get your vote? "

which of the following methods of surveying her classmates will allow linda to make valid conclusions about which candidate is in the lead?

(a) ask all of the students at blair's lunch table.
(b) put the names of all the students in a hat, and draw 50 names. ask those students whose names are drawn.
(c) ask every student in the class.
(d) assign numbers to each student in the class, and use a computer program to generate 50 random number between 1 and 300. ask those students whose number are selected.