a)

In a game, the gamer wins 20 dollars if s/he gets the number "6" facing up in rolling a fair die; s/he needs to pay c dollars otherwise. The gamer decided to continue playing the game until she wins twice. If the expected gain of the gamer is 0 dollars, what is the value of c? COA bus company claims that the length of time a bus is late is uniformly distributed and the maximum time that a bus is late is 20 minutes. And the delay of a bus is independent of the other buses. Find the probability that 2 out of the next 5 buses are late for more than 12 minutes (Pick the options closest to the answer.) O 0.35 O 0.55 O 0.25 O 0.65 O 0.45