Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
The owners of Spiffy Lube want to offer their customers a 10-minute guarantee on their standard oil change service. If the oil change takes longer than 10 minutes to complete, the customer is given a coupon for a free oil change at the next visit. Based on past history, the owners believe that the time required to complete an oil change has a normal distribution with a mean of 8.6 minutes and a standard deviation of 1.2 minutes.
-What percentage of customers will receive a free oil change coupon?
-If management wants to limit the percentage of customers receiving a coupon to no more than 1
-Out of every 25 customers on average, what should they change the guaranteed time to?
-Suppose management could improve the process by reducing the mean time required for an oil change (but keeping the standard deviation the same). How much change in the mean service time would be required to allow for a 10-minute guarantee that gives a coupon to no more than 1 out of every 25 customers on average?
Schei and Bakketeig (1989) took an SRS of 150 women between 20 and 49 years of age from the city of Trondheim, Norway.
suppose a compact disk cd you just purchased has 8 tracks. after listening to the cd you decide that you like 4 of the
Manufacturing and Product Development Spray-on tans, or fake tans, contain several chemicals that have been linked to allergies, diabetes
we have studied a new test for hepatitis c in laboratory situations. we know that if a person really has hep-c the test
Without using numbers or formulas, first describe briefly what is the distribution of the population and what is the distribution of the sample average
1) Calculate the 95% and 90% confidence intervals for the minimum wage vote.
An alientologist discovers that 32% of them bump their heads getting into their spaceship. What is the height of the spaceship door?
Could you explain the process, formula clearly instead of using excel and financial calculator?
Find the probability that an eligible voter selected at random will have the following characteristics.
telephone marketers and opinion polls use random digit dialing equipment to call residential telephone numbers at
a) Use a 95% confidence interval for comparing the success rate of PN in treating kidney stones with the success rate of open surgery
Is the probability of the discharged of a patients needing carebeing depandent on their gender? Comment on your result. If u know patient is delayed, what is the probability that they are female?
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd