WHAT IS PROBABTY?

Are data that was collected for another purpose and was already collected? How is a line graph similar to a bar graph? What is the probability a number cube with numbers from 1-6 is tossed and an even number greater than 4 lands face up? What is a t-test? Find the class marks of classes 10-25 and 35-55? Why does SQL allow duplicate tuples? What is static curve? What is the failure rate of a vasectomy after 8 years? How much does a high ranked sniper make a year? What tools are more easy to use for interactive data analysis? What is a number occuring most frequently in a set of numbers? What is the The difference between the largest and the smallest data values? How many different ways can you arrange the numbers 12345678? Three fair coins are tossed at the same time What is the probability that one of the coins will show heads and the other two will show tails? Is it bad if your 12 years old and weigh 160 pounds? How does 1 sigma represent 68.8 percent of the total area under a normal curve? What does the index measure? Is 100MB a lot of data? Average number of tornadoes per month in Kansas of 2008? Interpretation of scatter graph?