The number at customers arriving at auAI'II-i machine tnllnws a Pnissnn distribution with a mean at .1 = 2.33 per time unit. A time unit has 5 minutes. Use I to denote the time between two customer anivals. 1. The mean [er expected T.ralne} of X in minutes is clnsest to [A] asset) (a) 034?: {:3} 3.4?22 [n] 1:351 [E] 1.5m