Obtain a sample size to ensure a margin of error

Assignment Help Basic Statistics
Reference no: EM13121327

Find the required sample size without making a guess for the observed value of. A manufacturer wishes to estimate the proportion of washing machines leaving the factory that are defective. Obtain a sample size that will ensure a margin of error of at most 0.014 for a 97% confidence interval.

Reference no: EM13121327

Questions Cloud

Expression for closed loop transfer function : Derive an expression for the closed loop transfer function: Because the output is related to the actuating signal by G(s), we have
Problem related to taxable income : Beebe Corporation (a calendar year taxpayer) has taxable income of $150,000, and its financial records reflect the following for the year.
Illustrate what is her total depreciation deduction : She only uses the most accelerated depreciation method possible. The computer is the only personal property which she places in service during the year. Illustrate what is her total depreciation deduction for 2011?
What do bryophytes and ferns require : What do bryophytes and ferns require for successful reproduction that other more complex plants do not?
Obtain a sample size to ensure a margin of error : Washing machines leaving the factory that are defective. Obtain a sample size that will ensure a margin of error of at most 0.014 for a 97% confidence interval.
What is the percent by mass of silver nitrate in this soln : a 97 gram solution of silver nitrate contains 21 grams of AgNO3. what is the percent by mass of silver nitrate in this solution?
Information about distance and midpoint : Find the distance between each pair of points. If necessary round answers to two decimal places. Find the midpoint of each line segment with the given endpoints.
Equation of an ellipse, principal and interest : Equation of an Ellipse, Principal and Interest and Lotto Probabilities, Among the professionals you have interviewed for your article , were several state and federal government spokespersons who use linear equations in a variety of ways.
How are the cells of hornworts different from the cells : How are the cells of hornworts different from the cells of other bryophytes?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Probabilities on automobile salesperson

The probabilities that an automobile salesperson will sell 0, 1, 2, or 3 cars on any given day in February are, respectively, 0.19, 0.38, 0.29, and 0.15.

  Means and probability-queuing theory

In the Willow Brook National Bank waiting line system (see Problem 1), assume that the service times for the drive-up teller follow an exponential probability distribution with a service rate of 36 customers per hour or 0.6 customer per minute.

  Expecting the miles per gallon-city performance

Suppose an engineer proposes a new model that will weigh 3100 pounds. What could we expect the miles per gallon in the city performance would be?

  Writing scores forming a normal distribution

The average score for the sample is M = 76. For the general population of college students, writing scores form a normal distribution with a mean of µ = 70.

  F-ratio differences among groups

Which of the following best explains how the F ratio examines differences among groups? A. The critical F is compared to the critical t.

  Applications of linear equations-trends and forecasting

Bill heats his house with natural gas. The gas usage is measured in therms (T). In January of 2007 he used 125 therms over 34 days (D) and the average temperature (T) was 49 degrees farenheit.

  Most likely to be good estimate of the mean amount of sugar

The Queen Mary sails between England and the U.S. Stowaways are sometimes found on board. The ages (years) of stowaways from eastbound and westbound crossings are given below. Eastbound: 24, 24, 34, 15, 19, 22, 18, 20, 20, 17 Westbound: 41, 24, 32..

  Determining probability for binomial distribution

Find the probability that at least one subject experiences headaches. Is it unusual to have at least one of six subjects experience headaches?

  Evaluate hypothesis statements

Evaluate and discuss the following hypothesis based on what you have learned about hypothesis statements. Should they be written differently, or are the sufficient the way they are stated?

  Seasonally adjusted sales

Team Sports, Inc. sells sporting goods to high schools and colleges via a nationally distributed catalog. Management at Team Sports estimates they will sell 2,000 Wilson Model A2000 catcher's mitts next year.

  Length of a randomly selected call

The length of a particular telemarketing phone call has an exponential distribution with a mean equal to 1.5 minutes. Find the probability that the length of a randomly selected call will be between 30 - 50 minutes and 1 minuter or longer.

  Why researcher selected random sample to test claim

Found mean number of sticks of gum chewed per day was 9. Standard deviation of population is 1. At α = .05, is number of sticks of gum person chews per day actually is greater than 8?

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