Marty's barber shop has one barber. customers have an arrival rate of 2.3 customers per hour, and haircuts are given with a service rate of 5 per hour. use the poisson arrivals and exponential service times model to answer the following questions: 1. what is the probability that one customer is receiving a haircut and one customer is waiting?
2. what is the probability that one customer is receiving a haircut and two customers are waiting?
3. what is the probability that more than two customers are waiting?

What is the y-intercept of the graph of the equation y=3(2^x)

What is the value of 1/3x + 7x when x = 5

It appears that people who are mildly obese are less active than leaner people. one study looked at the average number of minutes per day that people spend standing or walking. among mildly obese people, the mean number of minutes of daily activity (standing or walking) is approximately normally distributed with mean 376 minutes and standard deviation 64 minutes. the mean number of minutes of daily activity for lean people is approximately normally distributed with mean 528 minutes and standard deviation 107 minutes. a researcher records the minutes of activity for an srs of 7 mildly obese people and an srs of 7 lean people. use z-scores rounded to two decimal places to answer the following: what is the probability (image for it appears that people who are mildly obese are less active than leaner people. one study looked at the averag0.0001) that the mean number of minutes of daily activity of the 6 mildly obese people exceeds 420 minutes? what is the probability (image for it appears that people who are mildly obese are less active than leaner people. one study looked at the averag0.0001) that the mean number of minutes of daily activity of the 6 lean people exceeds 420 minutes?