Ira wants to determine the fast-food restaurant preferred by the majority of twelve-year-olds in his town. which sample population should he survey to get a random sample? !
every third child that enters the junior high school on a particular day
every twelve-year-old that leaves a particular pizza restaurant in town
every twelve-year-old that enters a particular hamburger restaurant in town
every third twelve-year-old that leaves school on a particular day

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.