Joel walk 20 minutes at a rate of 3 miles per hour at you ran 15 minutes at a rate of 6 miles per hour how many minutes should she walk at a rate of 3 miles per hour to finish traveling the four miles

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.