Bounds on the error of estimation

Assignment Help Basic Statistics
Reference no: EM131026476

To estimate the proportion of unemployedworkers in Panama, an economist selected at random 400 persons from the working class. Of these, 25 were unemployed.

a. Estimate the true proportion of unemployed workers and place bounds on the error of estimation.

b. How many persons must be sampled to reduce the bound on the error of estimation to .02?

Reference no: EM131026476

Questions Cloud

Reflect on your own experiences as a child : Utilizing the concepts of temperament and attachment, reflect on your own experiences as a child, those of a child you know, or those of a fictional child featured in media.
Show that every element of v can be written as a sum w + c : In exercise (1), show that W is a subspace of V. Let { } be a basis of W. Show that { } is a basis of V.
Estimate the population mean : Past experience shows that the standard deviation of the yearly income of textile workers in a certain state is $400. How many textile workers would you need to sample if you wished to estimate the population mean to within $50.00, with probabilit..
Should the company implement one of the new technologies : What do you recommend? Should the company implement one of the new technologies? Why or why not? An operations analyst suggested that company employees shared a "dump on the clerks" mentality. Explain.
Bounds on the error of estimation : Estimate the true proportion of unemployed workers and place bounds on the error of estimation. How many persons must be sampled to reduce the bound on the error of estimation to .02?
Compare and contrast the biological and behaviorist theories : Compare and contrast the biological, behaviorist, cognitive, and social-cognitive theories an explanation of the strengths and limitations of each.
How to find the mass of a particle : How To Find The Mass Of A Particle In A Spectrometer In Which Two Particles Having The Same Charge And Velocity
How you can determine whether or not a client is suicidal : Explain how you can determine whether or not a client is suicidal. Explain how you would treat a suicidal client, produce ongoing assessments, and follow up with the client.
A system of three linear equation in three unknowns solution : A system of three linear equations in three unknowns has a unique solution if and only if its coefficient matrix is row equivalent to the 3x3 identity matrix.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Null and alternative hypotheses-t-tests

Ten people agree to take part in an experiment designed to determine whether a persons weight differs between morning & evening.

  Evidences to reject the claim

A random sample of 24 groups of adults has a mean daily lodging cost of $233 and a standard deviation of $12.50. Is there enough evidence to reject the claim at α= 0.10? Assume the population is normally distributed.

  Determine the probability that adult owns stock

Determine the probability that adult owns stock and has some college education? Determine the probability that adult owns stock or has some college education?

  If 200 of the adults surveyed were in the age category of

based on a survey of 1000 adults by greenfield online and reported in a may 2009 usa today snapshot adults 24 years of

  Mean life for shipment of lightbulbs

The quality-control manager at a light bulb factory needs to determine whether the mean life of a large shipment of light bulbs is equal to 375 hours. The population standard deviation is 100 hours.

  Determine the total area under the standard normal curve in

determine the total area under the standard normal curve in parts a through c below. a find the area under the normal

  Column inches of classified advertisements

The number of column inches of classified advertisements appearing on Mondays in a certain daily newspaper is normally distributed with a population mean of 320 and a population standard deviation of 20 inches.

  Probability tree and venn diagram

Your firm has classified orders as either large or small in dollar amount and as either light or heavy in shipping weight. In the recent past, 28% of orders have been large dollar amounts

  What is the probability that none of the tires have a flaw

In a large shipment of automobile tires, 10% have a flaw. Four tires are chosen at random to be installed on a car.What is the probability that none of the tires have a flaw?

  If i go into a pizza house and i have the choice of having

if i go into a pizza house and i have the choice of having one of 3 different types of dough with one of 7 different

  In how many ways can a photographer arrange 6 people in a

in how many ways can a photographer arrange 6 people in a row from a group of 10 people where the bride and groom are

  What is the number of trials n probability of successes p

mimi just started her tennis class three weeks ago. on average she is able to return 35 of her opponents serves. let

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