1 what is a confidence interval and why is it useful what, Ask an Expert

Statistics

1. What is a confidence interval, and why is it useful? What is a confidence level?

2. Explain why in classical statistics describing a confidence interval in terms of probability makes no sense.

3. Explain how the postsampling confidence level is derived from a presampling probability.

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M92182275

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

A company is considering replacing its fleet of jets with

A company is considering replacing its fleet of jets with new ones, but only if they can reduce 5 days off the current 30 day delivery time. The company has purchased 5 new jets and done a sample of 15 trips. The sample ...

Suppose you bought a five-year zero-coupon treasury bond

Suppose you bought a five-year zero-coupon Treasury bond with $ 1000 face value for $800. . Answer the following questions: (a) What is the yield to maturity on the bond? (b) Assume the yield to maturity on comparable bo ...

A tire company measures the tread on newly-produced tires

A tire company measures the tread on newly-produced tires and finds that they are normally distributed with a mean depth of 0.99mm and a standard deviation of 0.35mm. Find the probability that a randomly selected tire wi ...

Two fair dice are rolled and the sum of the points is noted

Two fair dice are rolled and the sum of the points is noted. Find the probability that the sum is 6 given that at least one of the numbers is less than 3.

A random sample of 40 hotel reviews is drawn from a large

A random sample of 40 hotel reviews is drawn from a large population of hotel customers. It's known that 30% of the population left the hotel 1 star, 20% left 2 stars, 20% left 3 stars, and 30% left 4 stars. Give the hot ...

Problem arrival of vehicles at new jersey turnpike toll

Problem: Arrival of vehicles at New Jersey Turnpike toll booth on Saturdays at dawn is modeled as a Poisson Arrival process with a rate of 1.21 vehicles per minute. Let X be a random variable that records the number of a ...

A professor records the following final exam scores 68 6 m

A professor records the following final exam scores: 68 6 (M SD). Students scoring in the top 18% get an A. What is the cutoff score for the top 18% in this example?

A homeless shelter program wants to know if receipt of job

A homeless shelter program wants to know if receipt of job training program (yes, no) is related to program satisfaction (measured on a multi-item, Likert scale ). What type of statistical test should be used?

According to the current results website the state of

According to the Current Results website, the state of California has a mean annual rainfall of 21 inches, whereas the state of New York has a mean annual rainfall of 55 inches. Assume that the standard deviation for bot ...

Thanks for starting our discussion on cash management if

Thanks for starting our discussion on Cash Management. If you think about it this comes down to speeding up collections of cash or slowing down disbursements of cash. Point out some strategies to accomplish it? Give refe ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Statistics and Probability Expert