Lois writes a multiple choice test. test has 5 questions. each has four possible answers. lois didn’t study for the test so she guesses for each question find the probability of her answer all 5 questions correctly. Her answer the first two questions correctly. She answers all questions incorrectly.

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