There are eight black balls and two white balls in a bag. What is the probability of picking one black ball without looking?

The table above shows approximate conversions from gallons to liters. what is the value of x?

Me i'm timed right now! a. (0,-5)b. (0,-3)c. (0,3) d. (0,5)

Identify all the cases where non-probability sampling is used when attempting to study the characteristics of a large city. studies on every subject in the population divide a population in groups and obtain a sample studies with a limited amount of time demonstrate existing traits in a population studies with the nth person selected