There are 3 yellow, 5 red, 4 blue, and 8 green marbles in a bag. Once a marble is selected, it is not replaced. Find the probability of selecting two red marbles. Group of answer choices

25/400

5/16

5/20

1/19

You are measuring the dimensions of the floor in your bedroom because you are planning to buy new carpet. which unit of measure is the most appropriate to use in this situation?

What is the correlation coefficient between the variables? round to three decimal places. enter your answer in the box

The american academy of pediatrics wants to conduct a survey of recently graduated family practitioners to assess why they did not choose pediatrics for their specialization. provide a definition of the population, suggest a sampling frame, and indicate the appropriate sampling unit.