Which of the following is true about elections to certify a union?
At least 50 percent of employees in the bargaining unit must be interested in joining a union, and an affirmative vote of more than 50 percent will win the election for the union.
At least 75 percent of employees in the bargaining unit must be interested in joining a union, and an affirmative vote of more than 50 percent will win the election for the union.
At least 50 percent of employees in the bargaining unit must be interested in joining a union and an affirmative vote of more than 75 percent will win the election for the union.
At least 30 percent of employees in the bargaining unit must be interested in joining a union, and an affirmative vote of more than 50 percent will win the election for the union.