Define what is the sample value of the test statistic, Operation Management

Assignment Help:

1. The average lateness for one of the top airline companies is 10 minutes. The Standard Deviation of the lateness measure is calculated as 3. An airplane arrived 8.5 minutes after the stated arrival time. Calculate the Z-score of the airplanes lateness

2. Health insurers and the federal govt are both putting pressure on the hospitals to shorten average length of stay of their patients. A random sample of 20 hospitals in one state had a mean length of stay for non heart patients in 2000 of 3.8 days and a SD of 1.2 days. Calculate a 95% confidence interval for the population mean LOS for non heart patients in the states hospitals.

3. At a local manufacturing plant employees must complete new machine set ups within 30 minutes. New machine set up times can be described by a normal model with a mean of 22 minutes and a SD of four minutes. What percent of new machine set ups take more than 30 minutes?

4.A random sample of 100 European professional soccer players has an average age of 27 years and a SD of 4 years. We would like to decide if there is enough evidence to establish that average age of European soccer players is significantly more than 26 years. What is the nul hypothesi?

5. What is the sample value of the test statistic?

6. At 0.01 level of significance, what decision would you make? Include proper reason.


Related Discussions:- Define what is the sample value of the test statistic

Explain sample taken from a process that produces steel rods, Twelve sample...

Twelve samples, each containing five parts, were taken from a process that produces steel rods. The length of each rod in the samples was determined. The results were tabulated and

Scheduling - aggregate planning, Scheduling - Aggregate Planning Mean...

Scheduling - Aggregate Planning Meaning and Definition Scheduling may be defined as the assignment of work to the facility with the specification of times ,and the sequence

Explain value differences among national cultures, What are some managerial...

What are some managerial styles you would employ in managing an emloyee who is considered baby boomer List and explain hofstedes five dimensions of value differences among natio

Explain growth rates of newly industrialized countries, The growth rates of...

The growth rates of newly industrialized countries are burgeoning between 5 and 11% That is a little over two times the growth rates of developed countries. Why do you think tha

Explain what is the total cost of this policy, Rocky Mountain Tire Center s...

Rocky Mountain Tire Center sells 20,000 go-cart tires per year. The ordering cost for each order is $40, and the holding cost is 20% of the purchase price of the tires per year. Th

Compute what will be the value, Can you show me step by step how to solve t...

Can you show me step by step how to solve the following problem? Payments of $20,000 at 6% interest Compounding quarterly What will be the value in 12 years?

Explain switching to a new system of billing, Suppose you are the manager o...

Suppose you are the manager of an accounts receivable unit in a large company. You are switching to a new system of billing and record-keeping and need to train your three supervis

EOQ model, Division X is growing and is in constant need of trained employe...

Division X is growing and is in constant need of trained employees. The demand rate for trained employees is relatively constant at 5 each month. The division can run a gaining p

Case study on back unopened book for a refund, I recently rented a book and...

I recently rented a book and it turns out that I no longer need to be in the class that requires that book. The book just got here today and I have not opened the package at all. I

Describe delaying completion of the project, Using the data in Table 13-1, ...

Using the data in Table 13-1, what is the latest possible time that C may be started without delaying completion of the project? Table 13-1 The following represents a project with

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

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!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd