Cars enter a car wash at a mean rate of 2 cars per half an hour. What is the probability that, in any hour, exactly 4 cars will enter the car wash? Round your answer to four decimal places.
Cars enter a car wash at a mean rate of 4 cars per half an hour. What is the probability that, in any hour, no more than 4 cars will enter the car wash? Round your answer to four decimal places.
Cars enter a car wash ata mean rate of 4 cars per half an hour. What is the probability that, in any hour, at least 3 cars will enter the car wash? Round your answer to four decimal places. Answer How to enter your answer Tables Keypad Keyboard Shortcuts Submit Answer LENG 9:28 AM 7/31/2020
Clients enter a tax preparer's office at an average rate of 9 per hour. They enter randomly and independently of one another Express your answers to four decimal places. Express the probabilities as decimal fractions- not as percentages a. What is the probability that exactly 7 clients will enter the office in the next half hour? b. What is the probability that at least one client enters the office in the next half hour? c. What is the mean of...
Star Car Wash estimates that dirty cars arrive at the rate of 15 per hour all day and at the wash line, the cars can be cleaned at the rate of one every 4 minutes. One car at a time is cleaned in this example of a single-channel waiting line. Assuming Poisson arrivals and exponential service times, find the: (a) average time a car spends in the service system. (b) average number of cars in line. (c) average time a...
Cars arrive at a car wash at the rate of 18 cars per hour. Assume that cars arrive independently and the probability of an arrival is the same for any two time intervals of equal length. (2 pts.) Compute the probability of at least three arrivals in a 5-minute period. (2 pts.) Compute the probability of at most two arrivals in a 10-minute period.
Cars arrive at a car wash randomly and independently; the probability of arrivalis the same for any two time intervals of equal length. The mean arrival rate is 15 cars per hour. (EXCEL) (a) What is the probability that 20 or more cars will arrive during any given hour of operation? (b) What is the mean time between arrivals? Why?
#22 Suppose cars pass an intersection at a rate of 120 per hour. What is the probability that we need to wait between 25 and 30 seconds for the next car to pass? Please round your answer to 4 decimal places. Expert Answer
A car wash has one automatic car wash machine. Cars arrive according to a Poisson process at an average rate of 5 every 30 minutes. The car wash machine can serve customers according to a Poisson distribution with a mean of 0.25 cars per minute. What is the probability that there is no car waiting to be served?
(1) Busy car wash Suppose you run a (busy) car wash, and the number of cars that come to the car wash between time 0 and time s > 0 is a Poisson process with rate λ = 1. The number of red cars that come to the car wash between time 0 and time s > 0 is a Poisson process with rate 2. The number of blue cars that come to car wash between time 0 and time...
Suppose that the miles-per-gallon (mpg) rating of passenger cars is normally distributed with a mean and a standard deviation of 39.3 and 2.9 mpg, respectively. [You may find it useful to reference the z table.] a. What is the probability that a randomly selected passenger car gets more than 40 mpg? (Round “z” value to 2 decimal places, and final answer to 4 decimal places.) Probability:________________ b. What is the probability that the average mpg of four randomly selected passenger...