Reference no: EM13337859
1. Customers arrive at Paul’s Harrold’s styling Shop ata rate of 3 per hour, distributed in Poisson fashion. Paul canperform haircuts at a rate of 5 per hour, distributedexponentially.
a. Find the average number of customers waiting for haircuts.
b. Find the average number of customers in the shop.
c. Find the average time a customer waits until his or her turn.
d. Find the average time a customer spends in the shop.
e. Find the percentage of time that Paul is busy.
2. Automobiles arrive at the drive-through window at the downtownUrbana, Illinois post office at the rate of 4 every 10 minutes. Theaverage service time is 2 minutes. The Poisson distribution isappropriate for the arrival rate and service times areexponentially distributed.
a. What is theaverage time a car is in the system?
b. What is theaverage time of cars in the system?
c. What is theaverage number of cars waiting to receive service?
d. What is theaverage number a car is in the queue?
e. What is theprobability that there are no cars at the window?
f. What percentage of the time is the postal clerk busy?
g. What is theprobability that there are exactly 2 cars in the system?
Is the study observational or experimental
: A pharmaceutical company conducted a study to evaluate theeffectiveness and safety of a new inhaled form of insulin for thetreatment of diabetes. A group of 650 diabetics was given thedrug twice a day, while another group of 650 diabetics was given a..
|
Marketing functions includes test marketing
: Which of the following marketing functions includestest marketing? Departmentalization can be done on the basis of manyfactors EXCEPT: Which of the following marketing entity is NOTan intermediary? Buyers can exercise high bargainingpower over their ..
|
Variable-population-sample-statistic-parameter
: Describe, in your own words, the following terms and give anexample of those terms. Variable. Population. Sample. Statistic. Parameter
|
Interest compounded semi annually
: If you plan to accumulate Rs. 30, 0000 after 10 years from now, what will you need to invest this year if you earn 8% interest compounded semi annually?
|
Find the average number of customers waiting for haircuts
: Customers arrive at Paul’s Harrold’s styling Shop ata rate of 3 per hour, distributed in Poisson fashion. Paul canperform haircuts at a rate of 5 per hour, distributedexponentially.
|
Find the right -tail p-value
: Faced with rising fax cost, a frim issured a guideline thattransmissions of 10 pages or more should be sent by 2-day mailinstead. Exceptions are allowed, but they want the average to be 10or above. The firm examined 35 randomly chosen fax transmissio..
|
Find the derivative of this equation-mortgage debt
: The tal amounts of outstanding mortgage debt in the UnitedStates for selected years between 1980 and 2000 are shown in theaccompanying table.
|
Find the joint probability function
: An urn contains 3 black balls,2 red balls and 3 green balls and 2 balls are selected at random from it.if x is nomber of black balls and y is the nomber of red balls selected, then find (1)the joint probability function f(x,y); (2)the conditional p..
|
What is the p-value for this test
: Two different types of glass bottles are suitable for use by a soft-drink beverage bottler. The internal pressure strength of the bottle is an important qualitycharacteristic. It is known that 1 = 2 = 3.0 psi. From a random sample of n1 = n2 = 16 bot..
|