Run Scenario 1 again, doubling the standard deviation for inter-arrival time to 4 hours and doubling the

Fantastic news! We've Found the answer you've been seeking!

Question:

Run Scenario 1 again, doubling the standard deviation for inter-arrival time to 4 hours and doubling the standard deviation for length of stay to 8 hours. Keep the mean interarrival time as 5 hours and the mean length of stay as 16 hours. What is the average time in queue (in minutes)?