Which sample fairly represents the population? select two options.

using a yearbook to determine the most popular names for girls in the united states
asking the people exiting a vitamin store how often they exercise to determine the amount of time the average american exercises
calling every registered member of the national republican party to determine the voter turnout for a city’s mayoral race
sending a mandatory and confidential e-mail survey to every tenth employee of a company to determine overall job satisfaction
taking a poll in the main hallway between classes to determine the number of students who would be interested in a school trip to new york city