What statement correctly identifies the two-steps authentication process?

How many tornadoes does TeXes receive in a year? What is the difference between a threshold and target? TO ESTIMATE THE AVERAGE AGE OF STUDENTS A SAMPLE OF 50 PARTICIPANTS WAS OBTAINED, WITH A MEAN OF 16 AND A POPULATIONAL VARIATION OF 9, calculate:* POINT ESTIMATE OF THE MEANS* 95% AND 99% CONFIDENCE INTERVAL ESTIMATES FOR THE MEANS? How much do diamond increase in value? What is a data that is grouped closely together? What is 21 079 000 rounded to? How does adding it subtracting a constant amount by each value in a set of data affect the mean? What is the ratio of 500 to 1.5? True or false treasury stock causes outstanding shares to exceed issued shares? If X is a normal random variable with standard deviation 4.00 and if the probability that X is more than 5.52 is .1271 then what is the mean of X? What is it called when scientists state whether there data confirmed or rejected the hypothesis? How much does 2 slices of tomato weigh? What are the chances of a 14 year old boy impregnating a 14 year old girl? What is a TPS report? A sentence using the word mean? How to estimate the average on a line graph? Linear regression r square? If you toss a coin 5 times how many outcomes are there? What event has a probability of 0? What is descriptive status?