What statement correctly identifies the two-steps authentication process?

What does 1 squared equal? How many ways can a male and a female be selected to decorate for a party from a club consisting of ten members where six are men and four are women? What is a 20 digit number called? What type of probability is when it uses sample spaces to determine the numerical probalitiy that an event will happen? Find the range? What is 70 hundredths as a decimal? What is the best datatype for storing your birthday? Where does the y axis go on a bar graph? What is the average body weight for a 5 foot 12 year old boy? Can a bar graph be horizontally or vertically oriented? What is the probability of tossing a tail when a coin is tossed twice? What is a probability event that is impossible? What is the relationship between the relative size of the starndard deviation and the kurtosis of a distribution? Should make the graph reliable? What is the probability of a class running between 51.25 and 51.5 minutes if the uniform distribution is between 50 and 52? What does even distribution mean? What is the difference between relative frequency approximation of probability and the classical approach to probability? What is the probability that a family of four children has at least 1 boy? What is two plus two plus two times 4? Can the variance of a sample be negaTIve?