User Account

All Pages

Confidence interval estimate of the proportion of adults

Assignment Help Basic Statistics
Reference no: EM131167972

A survey showed that 80% of the 1600 adult respondents believe in global warming. Construct a 90% confidence interval estimate of the proportion of adults believing in global warming. Show all work. Just the answer, without supporting work, will receive no credit.

Reference no: EM131167972

Questions Cloud

What do think impact will be on other countries around world : Several countries around the world are transitioning to market economies; the most significant of these are China and Russia. What do you think the impact will be on other countries around the world as these two countries become even more signifi..
How does arrangement help us to understand computer systems : Name and explain the seven commonly accepted layers of the Computer Level Hierarchy. How does this arrangement help us to understand computer systems?
Hypothesis testing process as appropriate : A regional manager implements a policy change for stores in his region to begin greeting customers whenever they are standing within a 3 metre distance in the store. He compares mean daily purchase numbers over one month from pre-change to post-ch..
Estimate the proportion of the united states : A senator wishes to estimate the proportion of the united states voters who favor abolishing the electoral college. how large a sample is needed in order to be 90% confident that the sample proportion will not differ from the true proportion by mo..
Confidence interval estimate of the proportion of adults : A survey showed that 80% of the 1600 adult respondents believe in global warming. Construct a 90% confidence interval estimate of the proportion of adults believing in global warming. Show all work. Just the answer, without supporting work, will r..
What factors are important in your decision : Decide what factors are important in your decision as to which computer to buy and list them. After you select the system you would like to buy, identify which terms refer to hardware and which refer to software.
Probability that their mean height : Suppose you know that male height (for adults) is normally distributed with a mean of 70 inches and a std dev of 3 inches. a) How many deviations is a 74.5 from the mean? b) What is the z value for 74.5? c) Why are they the same?
Comment on reporters interpretation of correlation : Researchers find that the correlation between yearly wine consumption and yearly deaths from heart disease is -0.84.- Comment on the reporter's interpretation of the correlation in this situation.
How does that affect the machine language program : If you add one line of source code, how does that affect the machine language program? Try adding different source code instructions, such as an add and then a multiply.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Usefulness of the resulting estimator

The problem is to estimate e-λ. Let V be an unbiased estimator of e-λ, so that V (k) is defined for k = 1, 2,..., with J,k≥1 e- λλk V (k)/(k!(1 - e -λ)) = e -λ, for all λ > 0. Solve, if possible, for the V (k) and comment on the properties and use..

  Applied business statistics test

The following data represent scores of 50 students in the applied business statistics test. Prepare the frequency distribution table and the frequency histogram for this data set.

  Estimating probability values using bayes theorem

If a complete failure occurs, calculate the probability that the fault occurred in:

  Find the probability that a resident plays poker and garden

If 28% of the residents play poker and garden and 70% of the residents play both shuffleboard and poker, then find the probability that a resident plays poker, given that they garden.

  Statistical and substantive significance

Consider you have completed a survey of employees working in a call center doing customer service for a major manufacturing company.

  Probability that none will have returns audited

20% of their income tax returns are audited. Of five randomly chosen individuals, what is the probability that none will have their returns audited?

  Problem regarding the statistical inference

A retailer believes that its new advertising strategy will increase sales. Previously, the mean spending in 15 categories of consumer items in both the 18-34 and 35+ age groups was $70.00. (For all hypothesis tests, assume the level of significanc..

  What is margin of error

Assume that a random sample is used to est. a population proportion p. find margin of error E that corresponds to the given statistics and confidence level. 98% confidence sample size 1166 of whic are 35% successes. What is margin of error?

  Sixty people will board a regional jet the mean weight of

sixty people will board a regional jet. the mean weight of the population is 150 pounds with a standard deviation of 30

  Function of the price of the milk

Find a linear function G(p) that gives the number of gallons sold as a function of the price of the milk.

  Sampling variability and standard error

Based on a simple random sample of one hundred an analyst estimates the average hourly wage earned by workers in a city to be $30 and computes the margin of error to be $5.

  The group found the average psychology grades of a sample

a group of college students believes the average grades in psychology courses are different than the average grades in

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd