Test for single population proportion-confidence interval

Assignment Help Basic Statistics
Reference no: EM1318226

To test the claim that 60% of Americans will not buy products imported from Vietnam, 400 Americans were sampled, and 228 said they would not buy the imported products.

a) Use a 10% level of significance and test the claim.

b) Construct a 90% confidence interval for the population proportion p. Does your result agree with your conclusion in part (a)?

Reference no: EM1318226

Questions Cloud

Determine the equation of the straight line from : Determine the equation of the Straight line from the given data - Find the equation of the indicated curve, subject to the given conditions, Sketch the curve
Use simplex method to maximize the objective function : Use simplex method to maximize the objective function.
Determining data flows, logical processes of time sheet : You are working as subject assistance for an engineering firm and are paid by the hour every two weeks, you in turn in a time sheet to your supervisor, and three workdays later, your paycheck is directly deposited into your checking account.
Evaluate the equation of the indicated curve : Find the equation of the Straight line from the given data - Evaluate the equation of the indicated curve, subject to the given conditions,
Test for single population proportion-confidence interval : Construct a 90% confidence interval for the population proportion  p . Does your result agree with your conclusion in part (a)?
Find the 33rd percentile of the distribution of lifetimes : The distribution of lifetimes for a certain type of light bulb is normally distributed with a mean of 1000 hours and a standard deviation of 100 hours. Find the 33rd percentile of the distribution of lifetimes.
Confidence interval for mean secchi dish measurement : Crete a 90% confidence interval for mean Secchi dish measurement.
Find the vertical asymptote and x-intercept : Find the vertical asymptote and x-intercept for a given function - State the placement of the vertical asymptote and x-intercept after the transformation.
Best model learning organization : MacArthur's leadership team consists of their regional directors, CEO, and CFO. The team has asked you to present information to them for review as to the best model learning organization.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Overall sampling error in the entire distribution

One measure of the overall sampling error in the entire distribution of sample means is the

  Appropriate chi-square distribution

A sample of  n  observations is taken from a population. When performing statistical inference about a population variance, the appropriate chi-square distribution has:

  What is the least number

MATH1550H: Assignment:  Question:     what is the least number of applicants that should be interviewed so as to have at least 50% chance of finding one such secretary?

  Permutations and combinations

If she has chosen the first weeks rides, how many ways can she choose four more different rides for the second week? Assume that order does not matter.

  Confidence interval for a confidence level

We assume that the population is approximately normally distributed.  Find the confidence interval: for a confidence level of 95%:

  Determination of sample size for an interval

Of the adults in Jefferson County, 10 percent have had CPR training. For a randomly selected group of students from this county, how large will the group have to be in order for the probability that have as a minimum one group member has had CPR t..

  Inventory control problem-or method

Solve different inventory control problems using an appropriate OR method.

  Calculating and interpreting standard error of estimate

Calculate and interpret standard error of estimate se and coefficient of determination R2 for these data.

  Computing the correlation coefficient for given data

One of the most important uses of a correlation is its potential use in_________

  Construct the probability distribution for x

A bag of jelly belly candies contains the following colored jelly beans: red (10), blue (2), orange (5), brown (21), green (0), and yellow (18). Construct the probability distribution for x.

  Calculate the variance of the number of breakdowns

Bill Russ, the production manager at Ross Co., maintains detailed records on number of times each machine breaks down and requires service all through the week. Bill records show that the Puret grinder has required repair service according to the ..

  Measures of variation for the given data

The weights (in pounds) of a sample of five boxes being sent by UPS are: 12, 6, 7, 3, and 10.

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