Question

QUESTION 1 (0.5 POINTS) A player of a video game is confronted with a series of opponents and has an 80% probability of defeating each one. Success with any opponent is independent of previous encounters. Until defeated, the player continues to context opponents. 1). What is the probability that a player defeats at least two opponents in a game? 2). What is the probability that a player contests four or more opponents in a game? 3). What is the expected number of opponents contested in a game? a). 0.64, b). 0.512, c). 0.64 d) 0.512, 0.64, 0.368, 0.64, QUESTION 2 (0.5 POINTS) Suppose that a LED bulb has a defective rate of 0.0004. What is probability that four bulbs need to be checked until finding two defective bulbs? a). 0.0004 b) b). extremely close to 0 te c). 0.0096 d. 0.012