Standard error of sample proportion

Assignment Help Basic Statistics
Reference no: EM1394180

According to an article, 19% of the entire US population have high-speed access to the Internet. Random samples of size 200 are selected from the US population. The standard error of all the sample proportions is?

Reference no: EM1394180

Questions Cloud

Where an american industry might need to keep the product : One afternoon, a consumer comes in also is visibly upset. He bought some crutches from you which broke six weeks after he bought them.
Mean and standard error : Calculate the mean and the standard error of the sampling distribution of the sample means. Also, find the mean and standard error of the sampling distribution for samples of size 5.
Wilcoxon rank-sum test : Suppose there are two samples of size 6 and 7, with a rank sum of 58 in the sample of size 6. Using the Wilcoxon rank sum test, evaluate the significance of the results, assuming there are no ties.
Proton gradient formation : ATP synthesis in chloroplasts is very similar to that in mitochondria: Electron transport is coupled to the formation of a proton (H+) gradient across a membrane.
Standard error of sample proportion : According to an article, 19% of the entire US population have high-speed access to the Internet. Random samples of size 200 are selected from the US population.
Illustrate what are the issues you should consider : You work in IT for a large corporation. After a rash of explicit emails have been send out from an inside source, your boss asks you to draft a technology usage policy. Illustrate what are the issues you should consider.
Difference in standard error : You've two separate sets of data. From one set you calculate the standard error to be 500. From the other set, the standard error was 5.
Thickness with in the particular interval : What is the value of c for which there is 80% probability that a metal plate has a thickness with in the interval [4.3-c, 4.3+c]?
Explain effectiveness of communist onslaught : Explain the effectiveness of communist onslaught. were there objectives achieved tactically? strategically? Write down few lines on significance of tet offensive on course of vietnamese.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Writing formal commentary of results of test

Based on this sample, is Moe correct in his assertion? Write up formal commentary of results of your test.

  Test out an suitable hypothesis also state your conclusion

Test out an suitable hypothesis also state your conclusion. Make sure the suitable assumption as well as conditions are satisfied before you proceed.

  Determining sampling with replacement

What is sampling with replacement, and why it is used?

  The probability that he or she will answer exactly six

An exam consists of 10 true or false questions. If a student guesses at every answer, what is the probability that he or she will answer exactly six questions correctly? (Round the answer to three decimal places)

  Standard deviation-computational formula

The bank wants to find out the waiting time of their customers during the Friday evening hours from 5pm to 8pm. Using the data in ungrouped form, compute the Standard Deviation, using the computational formula.

  Section of the statistical abstract of the united states

At least half the patients are under 15 years old? First, describe how this can be modelled as a binomial distribution with 8 trials, where success is visitor age is under 15 years old and the probability of success is 20 percent.

  Type second order-population mean amount dispensed

If you select a random sample of 16 cups and are willing to have an α = 0.05 risk of committing a Type I error, compute the probability of a Type II error (β) if the population mean amount dispensed is actually:

  Drawing a card and getting a spade

What are the odds against drawing a card from an ordinary deck of cards and getting a spade?

  Hypothesis testing and population mean

What is the rejection point at α = .10 and indicate if you would accept or reject H o ?

  Least square regression and coefficient of determination

Below are revenue and profit (both in $ billions) for nine large entertainment companies.

  Population standard deviations - hypothesis test

Hypothesis test for the difference between two means - Assume the population standard deviations are not the same. At the 0.05 significance level, is there a difference in the mean waiting time?

  Moving average calculation

University officials at a major university would like to use three -term moving averages to examine enrollment. Enrollment data (in thousands of students) for the 12 most recent terms are shown in middle column of the table below.

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