Which one of the following technological activities would most likely have the strongest positive linear correlation coefficient for people between 14-24 years old, over the course of the last 5 years? A. the number of text messages sent from a cell phone
B. the number of emails sent from a computer
C. number of phone calls made on a cell phone
D. number of phone calls made on a landline

Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.