Question 1 On average, 12 balls enters the room every minute. What is the probability that the 4th ball takes up to 6 seconds to arrive and that at most 2 balls arrive between the 256th and 267th...

Extracted text: Question 1 On average, 12 balls enters the room every minute. What is the probability that the 4th ball takes up to 6 seconds to arrive and that at most 2 balls arrive between the 256th and 267th second? (Must use random variables and give at least four decimal points)