Speedy oil provides a single-channel automobile oil change and lubrication service. customers provide an arrival rate of 2.5 cars per hour. the service rate is 5 cars per hour. assume arrivals follow poisson probability distribution and that service times follow an exponential probability distribution. a. what is the average number of cars in the system? b. what is the average time that a car waits for the oil and lubrication service to begin? c. what is the average time a car spends in the system? d. what is the probability that an arrival has to wait for service?

i think the answer is .36

step-by-step explanation:

what i did was only 2.88 divided by 8

the median here is 25. your lowest value is 14 and highest value is 48. to find the third quartile, find the medium number in between 25 and 48 which would be 42 i believe.

step-by-step explanation: i dont

step-by-step explanation:

because 1/3 is a fraction. we can tell because there is a divisor symbol between the 1 and the 3. if we were to add 2 fractions together, we would add the numerators, which is the number on top, but not the denominators, which is the number on the bottom

1/3+1/3=2/3

hope this !