User Account

All Pages

Confidence interval for hmo example

Assignment Help Basic Statistics
Reference no: EM13105757

A random sample of 19 HMO's was selected. For each HMO the co-payment for a doctors office visit was recorded. The results were...

In dollars,

9,10, 11, 10, 7, 6, 5, 12, 11, 10, 12, 8, 7, 6, 11, 6, 8

Under the assumption that co payment amounts are normally distributed, find a 99% confidence interval for the mean amount in dollars.

Round to 1 decimal place.

What is the lower limit of the 90% confidence interval?

What is the upper limit of the 90% confidence interval?

Reference no: EM13105757

Questions Cloud

Discuss stages involved in process of establishing prices : Discuss with your class factors affecting pricing decisions. Identify the six stages involved in the process of establishing prices. Discuss why pricing decisions are important to an organization.
Confidence interval-null hypothesis : A random sample of size 15 taken from a normally distributed population revealed a sample mean of 75 and a sample variance of 25. The upper limit of a 95% confidence interval for the population mean would equal?
Methodologies for it project management : Describe each of the following methodologies for IT project management- prototyping, rapid applications development (RAD), joint applications development (JAD) and systems development life cycle (SDLC)
Sample means and population mean : Compute the mean of the distribution of the sample means and the population mean. What is true about the two values?
Confidence interval for hmo example : Under the assumption that co payment amounts are normally distributed, find a 99% confidence interval for the mean amount in dollars.
Explain costs of production : Describe what is meant by sustained competitive advantage. Focus your essay on customer's product offerings, costs of production
Determine the chance event : Myrtle Air Express decided to offer direct service from Cleveland to Myrtle Beach. Management must decide between a full-price service using the company's new fleet of jet aircraft and a discount service using smaller capacity commuter planes.
Describe what is meant by sustained competitive advantage : Delight submit four essays each a minimum of 500 words addressing the following concepts as well as issues: (1) Describe what is meant by sustained competitive advantage
Comprise in an ethics code for little company : As the senior executive emotional with bringing Little Company into the corporate fold, how do you proceed? What are your responsibilities to Big Company

Reviews

Write a Review

Basic Statistics Questions & Answers

  Confidence interval for the daily sales at all restaurants

A. What is the 90% confidence interval for the daily sales at all restaurants. B. What is the probability that the average sales are really $32,000 or more per day? Assume that the population average is $30,000 per day and the std. Deviation is $2..

  Calculate chi-square is less than the critical value

Testout the significance of the sample correlation also develop regression equation with scatter plot. Calculate chi-square is less than the critical value

  Testing of regression coefficient

Is there evidence that teams with higher total payrolls tend to be more successful? Justify your answer.

  Probability of type one and type two error

Answer the following questions using the null hypothesis as "the individual does not have the disease." a. What is the probability of Type I error? (Round your answer to 2 decimal places.) b. What is the probability of Type II error? (Round your answ..

  T-value of the test statistic

To test the null hypothesis that the mean waist size for males under 40 years equals 34 inches versus the hypothesis that the mean differs from 34, the following data were collected: 33, 33, 30, 34, 40, 35, 35, 32, 32, 34, 36, 30 calculate the T-v..

  Policies restricting the use of cell phones

According to the National Restaurant Association, 20% of fine-dining restaurants have instituted policies restricting the use of cell phones. From a sample of 100 fine-dining restaurants,

  Probability calculation of blood donor

People with type O-negative blood are universal donors. That is, any patient can receive a transfusion of O-negative blood. Only 7% of the American population have O-negative blood.

  Binomial distribution in an appropriate model

In each of the following cases, decide whether or not a binomial distribution is an appropriate model, and give your reasons.

  Amount of work-hours involved in the festival preperation

Overall, the amount of work-hours involved in the festival preperation is normally distributed around 100 hours withn a standard deviation of 12 hours.

  Expected value of owning a defibrillator

Suppose it costs $2,500 to buy a defibrillator. Find the expected value of owning a defibrillator if there is a 4% probability that "Silver's Gym" will lose a lawsuit regarding its operation, with each lawsuit resulting in "Silver's Gym" being lia..

  Diameters of peaches in a certain orchard

The diameters of peaches in a certain orchard are normally distributed with a mean of 3.85 inches and a standard deviation of 0.42 inches. Show all work.

  Utilizing exponential smoothing constant for different value

Forecast the number of deliveries utilizing exponential smoothing constant for different values also compare it. A hospital records the number of floral deliveries its patients receive every day.

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

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