content area top Part 1 The number of automobiles that arrive at a certain intersection per minute has a Poisson distribution with a mean of 3.5. Complete parts (a) and (b). Question content area bottom Part 1 (a) What is the probability that more than 2 minutes elapse between arrivals? The probability is enter your response here. (Type an integer or decimal rounded to four decimal places as needed.) Part 2 (b) What is the mean number of minutes that elapse between arrivals? The mean number of minutes is enter your response here. (Type an integer or decimal rounded to two decimal places as needed.)