A friend of yours claims that when he tosses a coin he can control the outcome. You are skeptical and want him to prove it. He tosses the coin, and you call heads, but it's tails. You try again and lose again. Complete parts a through d below. a) Do two losses in a row convince you that he really can control the toss? Explain. b) You try a third time, and again you lose. What 's the probability of losing three tosses in a row if the process is fair? c) Would three losses in a row convince you that your friend controls the outcome? Explain. d) How many times in a row would you have to lose to be pretty sure that this friend really can control the toss? Justify your answer by calculating a probability and explaining what it means.