We have 2 opaque bags, each containing 2 balls. one bag has 2 black balls and the other has a black ball and a white ball. you pick a bag at random and then pick one of the balls in that bag at random. when you look at the ball, it is black. you now pick the second ball from that same bag. what is the probability that this ball is also black?

Luke started a weight-loss program. the first week, he lost x pounds. the second week, he lost pounds less than times the pounds he lost the first week. the third week, he lost 1 pound more than of the pounds he lost the first week. liam started a weight-loss program when luke did. the first week, he lost 1 pound less than times the pounds luke lost the first week. the second week, he lost 4 pounds less than times the pounds luke lost the first week. the third week, he lost pound more than times the pounds luke lost the first week.