(Answered) Question a two-standard-deviation interval is called the

Statistics

Question: A two-standard-deviation interval is called the margin of sampling error (or the margin of error or the sampling error) by most pollsters.

a. In repeated sampling, how often will the distance between a sample proportion and the true proportion be less than the margin of error?

b. Using the class dot plots constructed earlier in this lesson, count the number of times a sample proportion is less than two standard deviations from the true proportion for each plot. Do the results agree with your answer to part a?

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M92535494
Price:- $15

Verified Expert

Priced at $30 Now at $15, Verified Solution

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

According to a survey of 25000 households 55 of the people

According to a survey of 25,000 ?households, 55 % of the people watching a special event on TV enjoyed the commercials more than the event itself. Complete parts a through e below based on a random sample of nine people ...

A sample of 175 randomly selected students found that the

A sample of 175 randomly selected students, found that the proportion of students planning to travel home for thanksgiving is 0.64 What is the standard deviation of the sampling distribution.

Adult male heights x have n70 33a what percent of adult

Adult male heights X have N(70", 3.3") a.) What percent of adult males are shorter than 63"? b.) What percent of males are taller than 70"? c.) What's the 80th percentile of male heights? Show work

In a hypothesis test we use a sample to gain insight on

In a hypothesis test, we use a sample to gain insight on what is likely the outcome for the population. In your example, that is a probability of 1 out of 20 as there were 20 people in the class. A hypothesis test might ...

Next time you see an elderly man check out his nose and

Next time you see an elderly man, check out his nose and ears! While most parts of the human body stop growing as we reach adulthood, studies show that noses and ears continue to grow larger throughout our lifetime. In o ...

European bonds pay coupons annually while us bonds pay

European bonds pay coupons annually, while U.S. bonds pay coupons semiannually. If the coupon rate on a European bond is 12% (annual coupons), what is the comparable coupon rate for a U.S. bond (semiannual coupons) assum ...

A cell phone company offers 15 different voice packages and

A cell phone company offers 15 different voice packages and 15 different data packages. Of those, 6 packages include both voice and data. How many ways are there to choose either voice or data, but not both?

A logging contractor has three feller bunchers on any given

A logging contractor has three feller bunchers. On any given day, each machine has a 90% chance of working. The contractor is considering buying a fourth feller buncher to offset the possibility of none of the machines o ...

David barnes and his fianceacutee valerie shah are visiting

David Barnes and his fiancée Valerie Shah are visiting Hawaii. There are 38 guests registered for orientation. It is announced that 20 randomly selected registered guests will receive a free lesson of the Tahitian dance. ...

Suppose you invest 2000 today and receive 9500 in five

Suppose you invest $2,000 today and receive $9,500 in five years. a. What is the internal rate of return? (IRR) of this? opportunity? b. Suppose another investment opportunity also requires $2,000 upfront, but pays an eq ...

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